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Index Jellyfish

Jellyfish or sea jelly is the informal common name given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria. [1]

236 relations: Acetic acid, Actinulida, Aeginidae, Aequorea victoria, Aequorin, Alatinidae, Alcohol, Alum, Amebocyte, American Museum of Natural History, Ammonia, Anaphylaxis, Animal, Animal locomotion, Anthozoa, Antihistamine, Apex predator, Aplanulata, Aristotle, Artificial gene synthesis, Atolla, Atorella, Aurelia (cnidarian), Baltic Sea, Bar (river morphology), Benthic zone, Bioluminescence, Black Sea, Box jellyfish, Budding, Calvadosia, Cambrian, Cannonball jellyfish, Capitata, Caribbean Sea, Carl Linnaeus, Carukia barnesi, Carybdea, Caspian Sea, Cassiopea, Catostylidae, Central nervous system, Cepheidae (jellyfish), Chirodropidae, Chironex fleckeri, Chiropsalmidae, Chordate, Chrysaora fuscescens, Cilium, Circulatory system, ..., Climate change, Cnidaria, Cnidocyte, Collagen, Color, Conulariida, Coral, Cosmopolitan distribution, Costa Brava, Craspedacusta sowerbii, Craterolophus, Crown jellyfish, Crystal, Ctenophora, Cuninidae, Cyanea (jellyfish), Cyaneidae, Desalination, Diablo Canyon Power Plant, Digenea, Discomedusae, DNA, Douglas Prasher, Drymonema, Ecological niche, Ediacaran, Epidermis, Epithelium, Eutrophication, Eye, Filifera, Fish stock, Fission (biology), Fluorescent tag, Fresh water, Ganglion, Gastrodermis, Gastrovascular cavity, Gelatinous zooplankton, Gene, Genetic engineering, Geryoniidae, Gonad, Gonophore, Greek mythology, Green fluorescent protein, Gulf of Mexico, Gyroscope, Haaretz, Haliclystidae, Halicreatidae, Hawaii, Helminths, Hermaphrodite, Hexacorallia, Holocene, Host (biology), Hydra (genus), Hydrobiologia, Hydrocortisone, Hydroidolina, Hydrozoa, Ichthyoplankton, In vitro fertilisation, Invasive species, Iodine, Irukandji jellyfish, Itch, Japan, Jellyfish dermatitis, Jellyfish Lake, Journal of the Marine Biological Association of the United Kingdom, Kyopoda, Kyoto University, Lantian formation, Lappet, Larva, Leptothecata, Libinia dubia, Limnomedusae, Linuchidae, Lion's mane jellyfish, Lipkea, List of prehistoric medusozoans, Lucernariidae, Lychnorhizidae, Mangrove, Marjum Formation, Martin Chalfie, Mastigiidae, Mediterranean Sea, Medusa, Medusozoa, Mesoglea, Monobrachium, Monterey Bay Aquarium, Monterey Bay Aquarium Research Institute, Mucous membrane, Narcomedusae, National Science Foundation, Nausithoidae, Neoproterozoic, Nerve net, Nobel Prize in Chemistry, Nomura's jellyfish, Nutrient, Ocean current, Ocean sunfish, Octocorallia, Olindiidae, Organ (anatomy), Osamu Shimomura, Osmoregulation, Overfishing, Oxygen, Palau, Paraphyllina, Paraphyly, Parts of Animals, Pelagiidae, Periphyllidae, Phacellophora camtschatica, Photoprotein, Phylogenetic tree, Phylum, Planula, Pliny the Elder, Polyp, Portuguese man o' war, Portunus armatus, Power station, Predation, Public aquarium, Respiratory system, Rheumatoid arthritis, Rhizostomae, Rhizostomatidae, Rhopalium, Rhopalonematidae, Rhopilema, Roe, Roger Y. Tsien, Roscoe Bay Provincial Park, Salp, Salt, Scyphozoa, Sea anemone, Semaeostomeae, Senescence, Sessility (motility), Seto Marine Biological Laboratory, Shellfish, Simon & Schuster, Simple eye in invertebrates, Siphonophorae, Solmarisidae, Spawn (biology), Spermatozoon, Starfish, Staurocladia, Stauromedusae, Staurozoa, Steven Haddock, Stomolophus, Strobilation, Stygiomedusa, Surface runoff, Swarm behaviour, Swordfish, Tamoya, Tentacle, The New York Times, The Washington Post, Tide, Trachylinae, Trachymedusae, Trematoda, Triassic, Tuna, Turritopsis dohrnii, Turritopsis nutricula, Ulmaridae, Urine, Venom, Vinegar, Vortex. Expand index (186 more) »

Acetic acid

Acetic acid, systematically named ethanoic acid, is a colourless liquid organic compound with the chemical formula CH3COOH (also written as CH3CO2H or C2H4O2).

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Actinulida are an order of hydrozoans in the subclass Trachylinae.

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Aeginidae is a family of hydrozoans in the order Narcomedusae.

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Aequorea victoria

Aequorea victoria, also sometimes called the crystal jelly, is a bioluminescent hydrozoan jellyfish, or hydromedusa, that is found off the west coast of North America.

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Aequorin is a calcium-activated photoprotein isolated from the hydrozoan Aequorea victoria.

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Alatinidae is a family of box jellyfish within class Cubozoa, containing the following genera and species.

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In chemistry, an alcohol is any organic compound in which the hydroxyl functional group (–OH) is bound to a carbon.

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An alum is a type of chemical compound, usually a hydrated double sulfate salt of aluminium with the general formula, where X is a monovalent cation such as potassium or ammonium.

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An amebocyte or amoebocyte is a mobile cell (moving like an amoeba) in the body of invertebrates including echinoderms, molluscs, tunicates, sponges and some chelicerates.

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American Museum of Natural History

The American Museum of Natural History (abbreviated as AMNH), located on the Upper West Side of Manhattan, New York City, is one of the largest museums in the world.

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Ammonia is a compound of nitrogen and hydrogen with the formula NH3.

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Anaphylaxis is a serious allergic reaction that is rapid in onset and may cause death.

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Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia.

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Animal locomotion

Animal locomotion, in ethology, is any of a variety of movements or methods that animals use to move from one place to another.

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Anthozoa is a class of marine invertebrates which includes the sea anemones, stony corals, soft corals and gorgonians.

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Antihistamines are drugs which treat allergic rhinitis and other allergies.

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Apex predator

An apex predator, also known as an alpha predator or top predator, is a predator at the top of a food chain, with no natural predators.

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Aplanulata is a suborder of Hydrozoa, a class of marine invertebrates belonging to the phylum Cnidaria.

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Aristotle (Ἀριστοτέλης Aristotélēs,; 384–322 BC) was an ancient Greek philosopher and scientist born in the city of Stagira, Chalkidiki, in the north of Classical Greece.

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Artificial gene synthesis

Artificial gene synthesis, sometimes known as DNA printing is a method in synthetic biology that is used to create artificial genes in the laboratory.

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Atolla is a genus of crown jellyfish in the order Coronata.

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Atorella is a genus of crown jellyfish.

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Aurelia (cnidarian)

Aurelia is a genus of scyphozoan jellyfish, commonly called moon jellies.

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Baltic Sea

The Baltic Sea is a sea of the Atlantic Ocean, enclosed by Scandinavia, Finland, Estonia, Latvia, Lithuania, Russia, Poland, Germany and the North and Central European Plain.

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Bar (river morphology)

A bar in a river is an elevated region of sediment (such as sand or gravel) that has been deposited by the flow.

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Benthic zone

The benthic zone is the ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers.

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Bioluminescence is the production and emission of light by a living organism.

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Black Sea

The Black Sea is a body of water and marginal sea of the Atlantic Ocean between Eastern Europe, the Caucasus, and Western Asia.

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Box jellyfish

Box jellyfish (class Cubozoa) are cnidarian invertebrates distinguished by their cube-shaped medusae.

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Budding is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site.

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Calvadosia is a genus of stalked jellyfish in the order Stauromedusae.

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The Cambrian Period was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon.

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Cannonball jellyfish

The cannonball jellyfish (Stomolophus meleagris), also known as the cabbagehead jellyfish, is a species of jellyfish in the family Stomolophidae.

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Capitata is a suborder of Hydrozoa, a class of marine invertebrates belonging to the phylum Cnidaria.

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Caribbean Sea

The Caribbean Sea (Mar Caribe; Mer des Caraïbes; Caraïbische Zee) is a sea of the Atlantic Ocean in the tropics of the Western Hemisphere.

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Carl Linnaeus

Carl Linnaeus (23 May 1707 – 10 January 1778), also known after his ennoblement as Carl von LinnéBlunt (2004), p. 171.

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Carukia barnesi

Carukia barnesi is a small and extremely venomous jellyfish found near Australia.

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Carybdea is the only genus of venomous box jellyfish in the family Carybdeidae.

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Caspian Sea

The Caspian Sea is the largest enclosed inland body of water on Earth by area, variously classed as the world's largest lake or a full-fledged sea.

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Cassiopea (upside-down jellyfish) is a genus of true jellyfish and the only members of the family Cassiopeidae.

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Catostylidae is a family of small jellyfish.

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Central nervous system

The central nervous system (CNS) is the part of the nervous system consisting of the brain and spinal cord.

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Cepheidae (jellyfish)

Cepheidae is a family of jellyfish.

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Chirodropidae is a family of venomous box jellyfish within the class Cubozoa.

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Chironex fleckeri

Chironex fleckeri, commonly known as the sea wasp, is a species of dangerously venomous box jellyfish found in coastal waters from northern Australia and New Guinea north to the Philippines and Vietnam.

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Chiropsalmidae is a family of venomous box jellyfish within the class Cubozoa.

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A chordate is an animal belonging to the phylum Chordata; chordates possess a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail, for at least some period of their life cycle.

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Chrysaora fuscescens

The Pacific sea nettle (Chrysaora fuscescens), or West Coast sea nettle, is a common free-floating scyphozoan that lives in the eastern Pacific Ocean from Canada to Mexico.

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A cilium (the plural is cilia) is an organelle found in eukaryotic cells.

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Circulatory system

The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis.

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Climate change

Climate change is a change in the statistical distribution of weather patterns when that change lasts for an extended period of time (i.e., decades to millions of years).

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Cnidaria is a phylum containing over 10,000 species of animals found exclusively in aquatic (freshwater and marine) environments: they are predominantly marine species.

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A cnidocyte (also known as a cnidoblast or nematocyte) is an explosive cell containing one giant secretory organelle or cnida (plural cnidae) that defines the phylum Cnidaria (corals, sea anemones, hydrae, jellyfish, etc.). Cnidae are used for prey capture and defense from predators.

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Collagen is the main structural protein in the extracellular space in the various connective tissues in animal bodies.

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Color (American English) or colour (Commonwealth English) is the characteristic of human visual perception described through color categories, with names such as red, orange, yellow, green, blue, or purple.

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Conulariida is a poorly understood fossil group that has possible affinity with the Cnidaria.

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Corals are marine invertebrates in the class Anthozoa of phylum Cnidaria.

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Cosmopolitan distribution

In biogeography, a taxon is said to have a cosmopolitan distribution if its range extends across all or most of the world in appropriate habitats.

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Costa Brava

The Costa Brava ("Wild Coast" or "Rough Coast") is a coastal region of Catalonia in northeastern Spain, consisting of the comarques (counties) of Alt Empordà, Baix Empordà and Selva in the province of Girona.

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Craspedacusta sowerbii

Craspedacusta sowerbii is a freshwater jellyfish in the phylum Cnidaria.

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Craterolophus is a genus of jellyfish.

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Crown jellyfish

Crown jellyfishes are the six families of true jellyfish that belong to the order Coronatae.

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A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

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Ctenophora (singular ctenophore, or; from the Greek κτείς kteis 'comb' and φέρω pherō 'to carry'; commonly known as comb jellies) is a phylum of invertebrate animals that live in marine waters worldwide.

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Cuninidae is a family of hydrozoans in the order Narcomedusae.

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Cyanea (jellyfish)

Cyanea is a cosmopolitan genus of stinging jellyfish, primarily found in northern waters of the Atlantic and Pacific Oceans.

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The Cyaneidae are a family of true jellyfish.

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Desalination is a process that extracts mineral components from saline water.

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Diablo Canyon Power Plant

The Diablo Canyon Power Plant is an electricity-generating nuclear power plant near Avila Beach in San Luis Obispo County, California.

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Digenea (Gr. Dis – double, Genos – race) is a class of trematodes in the Platyhelminthes phylum, consisting of parasitic flatworms (known as flukes) with a syncytial tegument and, usually, two suckers, one ventral and one oral.

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Discomedusae is a subclass of jellyfish in the class Scyphozoa.

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Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.

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Douglas Prasher

Douglas C. Prasher (born August 1951) is an American molecular biologist.

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Drymonema is a genus of true jellyfish, placed in its own family, the Drymonematidae.

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Ecological niche

In ecology, a niche (CanE, or) is the fit of a species living under specific environmental conditions.

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The Ediacaran Period, spans 94 million years from the end of the Cryogenian Period 635 million years ago (Mya), to the beginning of the Cambrian Period 541 Mya.

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The epidermis is the outer layer of the three layers that make up the skin, the inner layers being the dermis and hypodermis.

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Epithelium is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue.

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Eutrophication (from Greek eutrophos, "well-nourished"), or hypertrophication, is when a body of water becomes overly enriched with minerals and nutrients that induce excessive growth of plants and algae.

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Eyes are organs of the visual system.

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Filifera is a suborder of hydrozoans in the order Anthoathecata.

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Fish stock

Fish stocks are subpopulations of a particular species of fish, for which intrinsic parameters (growth, recruitment, mortality and fishing mortality) are traditionally regarded as the significant factors determining the stock's population dynamics, while extrinsic factors (immigration and emigration) are traditionally ignored.

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Fission (biology)

Fission, in biology, is the division of a single entity into two or more parts and the regeneration of those parts into separate entities resembling the original.

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Fluorescent tag

In molecular biology and biotechnology, a fluorescent tag, also known as a label or probe, is a molecule that is attached chemically to aid in the labeling and detection of a biomolecule such as a protein, antibody, or amino acid.

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Fresh water

Fresh water (or freshwater) is any naturally occurring water except seawater and brackish water.

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A ganglion is a nerve cell cluster or a group of nerve cell bodies located in the autonomic nervous system and sensory system.

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The gastrodermis is the inner layer of cells that serves as a lining membrane of the gastrovascular cavity of Cnidarians.

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Gastrovascular cavity

The gastrovascular cavity is the primary organ of digestion and circulation in two major animal phyla: the Cnidaria (including jellyfish and corals) and Platyhelminthes (flatworms).

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Gelatinous zooplankton

Gelatinous zooplankton are fragile animals that live in the water column in the ocean.

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In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.

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Genetic engineering

Genetic engineering, also called genetic modification or genetic manipulation, is the direct manipulation of an organism's genes using biotechnology.

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The Geryoniidae are a family of hydrozoans in the order Trachymedusae.

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A gonad or sex gland or reproductive gland is a mixed gland that produces the gametes (sex cells) and sex hormones of an organism.

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A gonophore is a reproductive organ in Hydrozoa that produces gametes.

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Greek mythology

Greek mythology is the body of myths and teachings that belong to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices.

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Green fluorescent protein

The green fluorescent protein (GFP) is a protein composed of 238 amino acid residues (26.9 kDa) that exhibits bright green fluorescence when exposed to light in the blue to ultraviolet range.

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Gulf of Mexico

The Gulf of Mexico (Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent.

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A gyroscope (from Ancient Greek γῦρος gûros, "circle" and σκοπέω skopéō, "to look") is a device used for measuring or maintaining orientation and angular velocity.

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Haaretz (הארץ) (lit. "The Land ", originally Ḥadashot Ha'aretz – חדשות הארץ, – "News of the Land ") is an Israeli newspaper.

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Haliclystidae is a family of stalked jellyfish in the order Stauromedusae.

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Halicreatidae is a family of hydrozoans.

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Hawaii (Hawaii) is the 50th and most recent state to have joined the United States, having received statehood on August 21, 1959.

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Helminths, also commonly known as parasitic worms, are large multicellular parasites, which can generally be seen with the naked eye when they are mature.

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In biology, a hermaphrodite is an organism that has complete or partial reproductive organs and produces gametes normally associated with both male and female sexes.

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Hexacorallia is a subclass of Anthozoa comprising approximately 4,300 species of aquatic organisms formed of polyps, generally with 6-fold symmetry.

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The Holocene is the current geological epoch.

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Host (biology)

In biology and medicine, a host is an organism that harbours a parasitic, a mutualistic, or a commensalist guest (symbiont), the guest typically being provided with nourishment and shelter.

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Hydra (genus)

Hydra is a genus of small, fresh-water organisms of the phylum Cnidaria and class Hydrozoa.

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Hydrobiologia: The International Journal of Aquatic Sciences is a scientific journal specialising in hydrobiology, including limnology and oceanography, systematics of aquatic organisms and aquatic ecology.

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Hydrocortisone, sold under a number of brand names, is the name for the hormone cortisol when supplied as a medication.

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Hydroidolina is a subclass of hydrozoans in the phylum Cnidaria.

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Hydrozoa (hydrozoans, from ancient Greek ὕδρα, hydra, "sea serpent" and ζῷον, zoon, "animal") are a taxonomic class of individually very small, predatory animals, some solitary and some colonial, most living in salt water.

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Ichthyoplankton (from Greek: ἰχθύς, ikhthus, "fish"; and πλαγκτός, planktos, "drifter") are the eggs and larvae of fish.

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In vitro fertilisation

In vitro fertilisation (IVF) is a process of fertilisation where an egg is combined with sperm outside the body, in vitro ("in glass").

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Invasive species

An invasive species is a species that is not native to a specific location (an introduced species), and that has a tendency to spread to a degree believed to cause damage to the environment, human economy or human health.

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Iodine is a chemical element with symbol I and atomic number 53.

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Irukandji jellyfish

Irukandji jellyfish are any of several similar, extremely venomous species of box jellyfish.

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Itch (also known as pruritus) is a sensation that causes the desire or reflex to scratch.

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Japan (日本; Nippon or Nihon; formally 日本国 or Nihon-koku, lit. "State of Japan") is a sovereign island country in East Asia.

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Jellyfish dermatitis

Jellyfish dermatitis is a cutaneous condition caused by stings from a jellyfish.

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Jellyfish Lake

Jellyfish Lake (Ongeim'l Tketau, "Fifth Lake") is a marine lake located on Eil Malk island in Palau.

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Journal of the Marine Biological Association of the United Kingdom

The Journal of the Marine Biological Association of the United Kingdom is a scientific journal published by Cambridge University Press on behalf of the Marine Biological Association.

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Kyopoda is a genus of stalked jellyfish, It has only one species in the genus, Kyopoda lamberti, and is in turn the only genus in the family Kyopodiidiae.

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Kyoto University

, or is a national university in Kyoto, Japan.

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Lantian formation

The Lantian formation is a 150-meter-thick sequence of rocks deposited in southern China during a 90-million-year epoch in the Ediacaran period.

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A lappet is a decorative flap, fold or hanging part of a headdress or garment.

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A larva (plural: larvae) is a distinct juvenile form many animals undergo before metamorphosis into adults.

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Leptothecata, or thecate hydroids, are an order of hydrozoans in the phylum Cnidaria.

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Libinia dubia

Libinia dubia, the longnose spider crab, is a species of crab in the family Epialtidae.

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Limnomedusae is an order of hydrozoans.

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Linuchidae is a family of crown jellyfish.

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Lion's mane jellyfish

The lion's mane jellyfish, also known as the giant jellyfish or the hair jelly, is the largest known species of jellyfish.

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Lipkea is a genus of stalked jellyfish.

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List of prehistoric medusozoans

This list of prehistoric medusozoans is an attempt to create a comprehensive listing of all genera that have ever been included in the subphylum Medusozoa, excluding purely vernacular terms.

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Lucernariidae is a family of stalked jellyfish containing two genera.

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Lychnorhizidae is a family of true jellyfish.

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A mangrove is a shrub or small tree that grows in coastal saline or brackish water.

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Marjum Formation

The Marjum Formation is a Cambrian geological formation that overlies the Wheeler Shale in the House Range, Utah.

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Martin Chalfie

Martin Lee Chalfie (born January 15, 1947) is an American scientist.

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Mastigiidae is a family of true jellyfish.

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Mediterranean Sea

The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa and on the east by the Levant.

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In Greek mythology, Medusa (Μέδουσα "guardian, protectress") was a monster, a Gorgon, generally described as a winged human female with living venomous snakes in place of hair.

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Medusozoa is a clade in the phylum Cnidaria, and is often considered a subphylum.

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Mesoglea, also known as mesohyl, is the translucent, non-living, jelly-like substance found between the two epithelial cell layers (i.e., between the ectoderm and endoderm) in the bodies of cnidarians and sponges.

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Monobrachium is a genus of hydroids.

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Monterey Bay Aquarium

Monterey Bay Aquarium is a nonprofit public aquarium in Monterey, California.

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Monterey Bay Aquarium Research Institute

The Monterey Bay Aquarium Research Institute (MBARI) is a private, non-profit oceanographic research center in Moss Landing, California.

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Mucous membrane

A mucous membrane or mucosa is a membrane that lines various cavities in the body and covers the surface of internal organs.

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Narcomedusae is an order of hydrozoans in the subclass Trachylinae.

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National Science Foundation

The National Science Foundation (NSF) is a United States government agency that supports fundamental research and education in all the non-medical fields of science and engineering.

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Nausithoidae is a family of jellyfish.

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The Neoproterozoic Era is the unit of geologic time from.

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Nerve net

A nerve net consists of interconnected neurons lacking a brain or any form of cephalization.

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Nobel Prize in Chemistry

The Nobel Prize in Chemistry (Nobelpriset i kemi) is awarded annually by the Royal Swedish Academy of Sciences to scientists in the various fields of chemistry.

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Nomura's jellyfish

is a very large rhizostomae jellyfish, in the same size class as the lion's mane jellyfish, the largest cnidarian in the world.

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A nutrient is a substance used by an organism to survive, grow, and reproduce.

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Ocean current

An ocean current is a seasonal directed movement of sea water generated by forces acting upon this mean flow, such as wind, the Coriolis effect, breaking waves, cabbing, temperature and salinity differences, while tides are caused by the gravitational pull of the Sun and Moon.

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Ocean sunfish

The ocean sunfish or common mola (Mola mola) is the heaviest known bony fish in the world.

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Octocorallia (also known Alcyonaria) is a subclass of Anthozoa comprising around 3,000 species of water-based organisms formed of colonial polyps with 8-fold symmetry.

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Olindiidae is a family of hydrozoans in the order Limnomedusae.

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Organ (anatomy)

Organs are collections of tissues with similar functions.

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Osamu Shimomura

is a Japanese organic chemist and marine biologist, and Professor Emeritus at Marine Biological Laboratory (MBL) in Woods Hole, Massachusetts and Boston University School of Medicine.

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Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution) to keep the fluids from becoming too diluted or concentrated.

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Overfishing is the removal of a species of fish from a body of water at a rate that the species cannot replenish in time, resulting in those species either becoming depleted or very underpopulated in that given area.

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Oxygen is a chemical element with symbol O and atomic number 8.

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Palau (historically Belau, Palaos, or Pelew), officially the Republic of Palau (Beluu er a Belau), is an island country located in the western Pacific Ocean.

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Paraphyllina is a genus of crown jellyfish.

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In taxonomy, a group is paraphyletic if it consists of the group's last common ancestor and all descendants of that ancestor excluding a few—typically only one or two—monophyletic subgroups.

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Parts of Animals

Parts of Animals (or On the Parts of Animals; Greek Περὶ ζῴων μορίων; Latin De Partibus Animalium) is one of Aristotle's major texts on biology.

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The Pelagiidae are a family of jellyfish.

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Periphyllidae is a family of jellyfish containing four genera and six species.

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Phacellophora camtschatica

Phacellophora camtschatica, commonly known as the fried egg jellyfish or egg-yolk jellyfish, is a very large jellyfish in the family Ulmaridae.

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Photoproteins are a type of enzyme, made of protein, from bioluminescent organisms.

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Phylogenetic tree

A phylogenetic tree or evolutionary tree is a branching diagram or "tree" showing the evolutionary relationships among various biological species or other entities—their phylogeny—based upon similarities and differences in their physical or genetic characteristics.

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In biology, a phylum (plural: phyla) is a level of classification or taxonomic rank below Kingdom and above Class.

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A planula is the free-swimming, flattened, ciliated, bilaterally symmetric larval form of various cnidarian species.

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Pliny the Elder

Pliny the Elder (born Gaius Plinius Secundus, AD 23–79) was a Roman author, naturalist and natural philosopher, a naval and army commander of the early Roman Empire, and friend of emperor Vespasian.

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A polyp in zoology is one of two forms found in the phylum Cnidaria, the other being the medusa.

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Portuguese man o' war

The Atlantic Portuguese man o' war (Physalia physalis), also known as the man-of-war, is a marine hydrozoan of the family Physaliidae found in the Atlantic, Indian and Pacific Oceans.

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Portunus armatus

Portunus armatus (formerly Portunus pelagicus), also known as the flower crab, blue crab, blue swimmer crab, blue manna crab or sand crab, rajungan in Indonesian, and alimasag in Tagalog, is a large crab found in the intertidal estuaries around most of Australia and east to New Caledonia.

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Power station

A power station, also referred to as a power plant or powerhouse and sometimes generating station or generating plant, is an industrial facility for the generation of electric power.

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Predation is a biological interaction where a predator (a hunting animal) kills and eats its prey (the organism that is attacked).

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Public aquarium

A public aquarium (plural: public aquaria or public aquariums) is the aquatic counterpart of a zoo, which houses living aquatic animal and plant specimens for public viewing.

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Respiratory system

The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants.

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Rheumatoid arthritis

Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects joints.

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Rhizostomae or Rhizostomeae is an order of jellyfish.

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Rhizostomatidae is a family of cnidarians in the class Scyphozoa.

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Rhopalia (singular: rhopalium) are small sensory structures of Scyphozoa (typical jellyfish) and Cubozoa (box jellies).

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Rhopalonematidae is a family of hydrozoans.

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Rhopilema is a genus of jellyfish.

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Roe or hard roe is the fully ripe internal egg masses in the ovaries, or the released external egg masses of fish and certain marine animals, such as shrimp, scallop and sea urchins.

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Roger Y. Tsien

Roger Yonchien Tsien (February 1, 1952 – August 24, 2016) was a Han Chinese/Taiwanese-American biochemist.

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Roscoe Bay Provincial Park

Roscoe Bay Provincial Park is a provincial park in British Columbia, Canada, comprising the southeast portion of West Redonda Island, facing Desolation Sound.

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A salp (plural salps), salpa (plural salpae or salpas), is a barrel-shaped, planktonic tunicate.

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Salt, table salt or common salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in its natural form as a crystalline mineral is known as rock salt or halite.

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The Scyphozoa are an exclusively marine class of the phylum Cnidaria, referred to as the true jellyfish (or "true jellies").

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Sea anemone

Sea anemones are a group of marine, predatory animals of the order Actiniaria.

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Semaeostomeae (literally "flag mouths") is an order of large jellyfish characterized by four long, frilly oral arms flanking their quadrate mouths.

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Senescence or biological ageing is the gradual deterioration of function characteristic of most complex lifeforms, arguably found in all biological kingdoms, that on the level of the organism increases mortality after maturation.

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Sessility (motility)

In biology, sessility (in the sense of positional movement or motility) refers to organisms that do not possess a means of self-locomotion and are normally immobile.

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Seto Marine Biological Laboratory

The Seto Marine Biological Laboratory (瀬戸臨海実験所, also known as SMBL), is a marine biology field station of Kyoto University.

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Shellfish is a food source and fisheries term for exoskeleton-bearing aquatic invertebrates used as food, including various species of molluscs, crustaceans, and echinoderms.

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Simon & Schuster

Simon & Schuster, Inc., a subsidiary of CBS Corporation, is an American publishing company founded in New York City in 1924 by Richard Simon and Max Schuster.

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Simple eye in invertebrates

A simple eye (sometimes called a pigment pit) refers to a type of eye form or optical arrangement that contains a single lens.

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The Siphonophorae or Siphonophora, the siphonophores, are an order of the hydrozoans, a class of marine animals belonging to the phylum Cnidaria.

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Solmarisidae is a family of hydrozoans in the order Narcomedusae.

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Spawn (biology)

Spawn is the eggs and sperm released or deposited into water by aquatic animals.

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A spermatozoon (pronounced, alternate spelling spermatozoön; plural spermatozoa; from σπέρμα "seed" and ζῷον "living being") is a motile sperm cell, or moving form of the haploid cell that is the male gamete.

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Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea.

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Staurocladia is a genus of anthomedusan hydrozoans.

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Stauromedusae are the stalked jellyfishes.

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Staurozoa is a class of jellyfishes.

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Steven Haddock

Steven H. D. Haddock is a marine biologist known for his work on bioluminescence of the jellylike animals of the open ocean and the deep sea, and the photoproteins and fluorescent proteins of these animals.

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Stomolophus is a genus of true jellyfish from the West Atlantic and Pacific.

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Strobilation or transverse fission is a form of asexual reproduction consisting of the spontaneous transverse segmentation of the body.

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Stygiomedusa is a genus of giant deep sea jellyfish in the family Ulmaridae.

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Surface runoff

Surface runoff (also known as overland flow) is the flow of water that occurs when excess stormwater, meltwater, or other sources flows over the Earth's surface.

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Swarm behaviour

Swarm behaviour, or swarming, is a collective behaviour exhibited by entities, particularly animals, of similar size which aggregate together, perhaps milling about the same spot or perhaps moving en masse or migrating in some direction.

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Swordfish (Xiphias gladius), also known as broadbills in some countries, are large, highly migratory, predatory fish characterized by a long, flat bill.

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Tamoya is a genus of box jellyfish within the monotypic family Tamoyidae.

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In zoology, a tentacle is a flexible, mobile, elongated organ present in some species of animals, most of them invertebrates.

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The New York Times

The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.

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The Washington Post

The Washington Post is a major American daily newspaper founded on December 6, 1877.

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Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of Earth.

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Trachylinae (also Trachylina, Trachylinida, etc.) is a subclass of hydrozoans.

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Trachymedusae belong to the phylum Cnidaria and the class Hydrozoa, among the 30 genera are 5 families containing around 50 species in all, the family Rhopalonematidae has the greatest diversity.

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Trematoda is a class within the phylum Platyhelminthes.

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The Triassic is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.9 million years ago (Mya), to the beginning of the Jurassic Period Mya.

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A tuna is a saltwater fish that belongs to the tribe Thunnini, a sub-grouping of the mackerel family (Scombridae).

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Turritopsis dohrnii

Turritopsis dohrnii, the immortal jellyfish, is a species of small, biologically immortal jellyfish found in the Mediterranean Sea and in the waters of Japan.

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Turritopsis nutricula

Turritopsis nutricula is a small hydrozoan that once reaching adulthood, can transfer its cells back to childhood.

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The Ulmaridae are a family of jellyfish.

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Urine is a liquid by-product of metabolism in humans and in many animals.

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Venomous Animals Venom is a form of toxin secreted by an animal for the purpose of causing harm to another.

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Vinegar is a liquid consisting of about 5–20% acetic acid (CH3COOH), water (H2O), and trace chemicals that may include flavorings.

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In fluid dynamics, a vortex (plural vortices/vortexes) is a region in a fluid in which the flow revolves around an axis line, which may be straight or curved.

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[1] https://en.wikipedia.org/wiki/Jellyfish

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