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160 relations: Abyssal zone, Acanthopterygii, Adaptation, Alepisaurus ferox, Ambush predator, Anchovy, Anglerfish, Anomalopidae, Anotopterus, Antarctic toothfish, Antarctica, Aphotic zone, Atheriniformes, Atmosphere (unit), Barracuda, Barracudina, Barreleye, Bathyal zone, Benthic zone, Beryciformes, Bigeye tuna, Billfish, Bioluminescence, Biomass, Biomass (ecology), Black scabbardfish, Black swallower, Blue grenadier, Bobtail snipe eel, Brachiopod, Brownsnout spookfish, Camouflage, Canadians, Carangidae, Census of Marine Life, Cetomimidae, Clupeiformes, Commercial fishing, Continental margin, Continental shelf, Cookiecutter shark, Copepod, Coryphaena, Countershading, Cuttlefish, Deep ocean water, Deep scattering layer, Deep sea, Deep sea community, Demersal fish, ..., Detritus, Diatom, Diel vertical migration, Ecology, Ecosystem, Eel, Eelpout, Enzyme, Evolution, Eye, Fangtooth, Filter feeder, Fish, Fish scale, Fishery, Flatfish, Flying fish, Gill, Gill raker, Gonad, Gonostomatidae, Greeneye, Grenadiers (fish), Gulf of Oman, Hagfish, Halfbeak, Hammerjaw, Haplophryne mollis, Hermaphrodite, Herring, Human, Humpback anglerfish, Hydrothermal vent, Inner ear, King penguin, Krill, Lamniformes, Lampriformes, Lancetfish, Lanternfish, Larva, Lateral line, Lighting, Lumpsucker, Mandible, Marine hatchetfish, Marine snow, Mesopelagic zone, Metabolism, Microorganism, Neoteny, Ogcocephalidae, Olfaction, Opah, Organic compound, Osteichthyes, Overfishing, Pascal (unit), Pelagic fish, Pelagic zone, Pelican eel, Perciformes, Pheromone, Phosichthyidae, Photic zone, Photophore, Photosynthesis, Piscivore, Plankton, Pomfret, Primary production, Protist, Reproduction, Requiem shark, Research, Ridgehead, Rod cell, Sabertooth fish, Saccopharyngiformes, Salmon, Salmonidae, Scientist, Scomberesocidae, Sea, Sea urchin, Seamount, Sexual dimorphism, Sexual maturity, Skeleton, Sloane's viperfish, Sonar, South Africa, Southern Ocean, Spiny eel, Squid, Stingray, Stoplight loosejaw, Swim bladder, Telescopefish, Thermocline, Tonne, Trawling, Tuna, Unicorn crestfish, Vertebrate, Viperfish, Viviparous brotula, Water column, Whale shark, Zooplankton. Expand index (110 more) »
Abyssal zone
The abyssal zone or abyssopelagic zone is a layer of the pelagic zone of the ocean.
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Acanthopterygii
Acanthopterygii (meaning "spiny finned one") is a superorder of bony fishes in the class Actinopterygii.
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Adaptation
In biology, adaptation has three related meanings.
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Alepisaurus ferox
Alepisaurus ferox, the long snouted lancetfish, longnose lancetfish, or cannibal fish, is a species of lancetfish found in the ocean depths down to.
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Ambush predator
Ambush predators or sit-and-wait predators are carnivorous animals or other organisms, such as some nematophagous fungi and carnivorous plants, that capture or trap prey by stealth or by strategy (typically not conscious strategy), rather than by speed or by strength.
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Anchovy
An anchovy is a small, common forage fish of the family Engraulidae.
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Anglerfish
Anglerfish are fish of the teleost order Lophiiformes.
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Anomalopidae
Anomalopidae (lanterneye fishes or flashlight fishes) are a family of beryciform fish distinguished by bioluminescent organs located underneath their eyes, for which they are named.
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Anotopterus
The daggertooths (genus Anotopterus) are a genus of marine mesopelagic fish in the order Aulopiformes, the sole genus of the family Anotopteridae.
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Antarctic toothfish
Dissostichus mawsoni, the Antarctic toothfish, is a species of cod icefish native to the Southern Ocean.
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Antarctica
Antarctica is Earth's southernmost continent.
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Aphotic zone
The aphotic zone (aphotic from Greek prefix ἀ- + φῶς "without light") is the portion of a lake or ocean where there is little or no sunlight.
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Atheriniformes
The Atheriniformes, also known as the silversides, are an order of ray-finned fishes that includes the Old World silversides and several less-familiar families, including the unusual Phallostethidae.
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Atmosphere (unit)
The standard atmosphere (symbol: atm) is a unit of pressure defined as.
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Barracuda
The barracuda is a ray-finned fish known for its large size, fearsome appearance and ferocious behaviour.
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Barracudina
Barracudinas are any member of the marine mesopelagic fish family Paralepididae: 50 or so extant species are found almost worldwide in deep waters.
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Barreleye
Barreleyes, also known as spook fish (a name also applied to several species of chimaera), are small deep-sea argentiniform fish comprising the family Opisthoproctidae found in tropical-to-temperate waters of the Atlantic, Pacific, and Indian Oceans.
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Bathyal zone
The bathyal zone or bathypelagic – from Greek βαθύς (bathýs), deep – (also known as midnight zone) is the part of the pelagic zone that extends from a depth of below the ocean surface.
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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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Beryciformes
The Beryciformes are a poorly-understood order of carnivorous ray-finned fishes consisting of 7 families, 30 genera, and 161 species.
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Bigeye tuna
Bigeye tuna, Thunnus obesus, is an important food fish and prized recreational game fish.
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Billfish
The term billfish refers to a group of predatory fish characterised by prominent bills, or rostra, and by their large size; some are longer than 4 m (13 ft).
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Bioluminescence
Bioluminescence is the production and emission of light by a living organism.
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Biomass
Biomass is an industry term for getting energy by burning wood, and other organic matter.
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Biomass (ecology)
Biomass is the mass of living biological organisms in a given area or ecosystem at a given time.
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Black scabbardfish
The black scabbardfish (Aphanopus cargo) is a bathypelagic cutlassfish of the family Trichiuridae found in the Atlantic Ocean between latitudes 69° N and 27° N at depths of between.
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Black swallower
The black swallower, Chiasmodon niger, is a species of deep sea fish in the family Chiasmodontidae.
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Blue grenadier
The blue grenadier, hoki, blue hake, New Zealand whiptail, whiptail or whiptail hake (Macruronus novaezelandiae) is a merluccid hake of the family Merlucciidae found around southern Australia and New Zealand, as well as off both the Atlantic and Pacific coasts of South America from Peru to Brazil at depths of between.
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Bobtail snipe eel
The bobtail snipe eels are two species of deep-sea fishes in the family Cyematidae, one only in each of two genera.
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Brachiopod
Brachiopods, phylum Brachiopoda, are a group of lophotrochozoan animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs.
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Brownsnout spookfish
The brownsnout spookfish (Dolichopteryx longipes) is a species of barreleye in the family Opisthoproctidae.
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Camouflage
Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see (crypsis), or by disguising them as something else (mimesis).
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Canadians
Canadians (Canadiens / Canadiennes) are people identified with the country of Canada.
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Carangidae
The Carangidae are a family of fish which includes the jacks, pompanos, jack mackerels, runners, and scads.
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Census of Marine Life
The Census of Marine Life was a 10-year scientific initiative, involving a global network of researchers in more than 80 nations, engaged to assess and explain the diversity, distribution, and abundance of life in the oceans.
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Cetomimidae
Flabby whalefish are small, deep-sea cetomimiform fish of the family Cetomimidae.
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Clupeiformes
Clupeiformes is the order of ray-finned fish that includes the herring family, Clupeidae, and the anchovy family, Engraulidae.
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Commercial fishing
Commercial fishing is the activity of catching fish and other seafood for commercial profit, mostly from wild fisheries.
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Continental margin
The continental margin is one of the three major zones of the ocean floor, the other two being deep-ocean basins and mid-ocean ridges.
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Continental shelf
The continental shelf is an underwater landmass which extends from a continent, resulting in an area of relatively shallow water known as a shelf sea.
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Cookiecutter shark
The cookiecutter shark (Isistius brasiliensis), also called the cigar shark, is a species of small dogfish shark in the family Dalatiidae.
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Copepod
Copepods (meaning "oar-feet") are a group of small crustaceans found in the sea and nearly every freshwater habitat.
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Coryphaena
Coryphaena is a genus of marine ray-finned fishes known as the dolphinfishes.
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Countershading
Countershading, or Thayer's law, is a method of camouflage in which an animal's coloration is darker on the upper side and lighter on the underside of the body.
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Cuttlefish
Cuttlefish or cuttles are marine animals of the order Sepiida. They belong to the class Cephalopoda, which also includes squid, octopuses, and nautiluses. Cuttlefish have a unique internal shell, the cuttlebone. Despite their name, cuttlefish are not fish but molluscs. Cuttlefish have large, W-shaped pupils, eight arms, and two tentacles furnished with denticulated suckers, with which they secure their prey. They generally range in size from, with the largest species, Sepia apama, reaching in mantle length and over in mass. Cuttlefish eat small molluscs, crabs, shrimp, fish, octopus, worms, and other cuttlefish. Their predators include dolphins, sharks, fish, seals, seabirds, and other cuttlefish. The average life expectancy of a cuttlefish is about one to two years. Recent studies indicate cuttlefish are among the most intelligent invertebrates. (television program) NOVA, PBS, April 3, 2007. Cuttlefish also have one of the largest brain-to-body size ratios of all invertebrates. The 'cuttle' in 'cuttlefish' comes from the Old English name for the species, cudele, which may be cognate with the Old Norse koddi ('cushion') and the Middle Low German Kudel ('rag'). The Greco-Roman world valued the cuttlefish as a source of the unique brown pigment the creature releases from its siphon when it is alarmed. The word for it in both Greek and Latin, sepia, now refers to the reddish-brown color sepia in English.
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Deep ocean water
Deep ocean water (DOW) is the name for cold, salty water found deep below the surface of Earth's oceans.
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Deep scattering layer
The deep scattering layer, sometimes referred to as the sound scattering layer, is a name given to a layer in the ocean consisting of a variety of marine animals.
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Deep sea
The deep sea or deep layer is the lowest layer in the ocean, existing below the thermocline and above the seabed, at a depth of 1000 fathoms (1800 m) or more.
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Deep sea community
A deep sea community is any community of organisms associated by a shared habitat in the deep sea.
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Demersal fish
Demersal fish live and feed on or near the bottom of seas or lakes (the demersal zone).
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Detritus
In biology, detritus is dead particulate organic material (as opposed to dissolved organic material).
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Diatom
Diatoms (diá-tom-os "cut in half", from diá, "through" or "apart"; and the root of tém-n-ō, "I cut".) are a major group of microorganisms found in the oceans, waterways and soils of the world.
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Diel vertical migration
Diel vertical migration (DVM), also known as diurnal vertical migration, is a pattern of movement used by some organisms, such as copepods, living in the ocean and in lakes.
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Ecology
Ecology (from οἶκος, "house", or "environment"; -λογία, "study of") is the branch of biology which studies the interactions among organisms and their environment.
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Ecosystem
An ecosystem is a community made up of living organisms and nonliving components such as air, water, and mineral soil.
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Eel
An eel is any ray-finned fish belonging to the order Anguilliformes, which consists of four suborders, 20 families, 111 genera and about 800 species.
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Eelpout
The eelpouts are the ray-finned fish family Zoarcidae.
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Enzyme
Enzymes are macromolecular biological catalysts.
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Evolution
Evolution is change in the heritable characteristics of biological populations over successive generations.
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Eye
Eyes are organs of the visual system.
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Fangtooth
Fangtooths are beryciform fish of the family Anoplogastridae (sometimes spelled "Anoplogasteridae") that live in the deep sea.
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Filter feeder
Filter feeders are a sub-group of suspension feeding animals that feed by straining suspended matter and food particles from water, typically by passing the water over a specialized filtering structure.
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Fish
Fish are gill-bearing aquatic craniate animals that lack limbs with digits.
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Fish scale
The skin of most fishes is covered with scales, which, in many cases, are animal reflectors or produce animal coloration.
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Fishery
Generally, a fishery is an entity engaged in raising or harvesting fish which is determined by some authority to be a fishery.
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Flatfish
A flatfish is a member of the order Pleuronectiformes of ray-finned demersal fishes, also called the Heterosomata, sometimes classified as a suborder of Perciformes.
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Flying fish
The Exocoetidae are a family of marine fishes in the order Beloniformes class Actinopterygii.
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Gill
A gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide.
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Gill raker
Gill rakers in fish are bony or cartilaginous processes that project from the branchial arch (gill arch) and are involved with suspension feeding tiny prey.
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Gonad
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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Gonostomatidae
The Gonostomatidae are a family of mesopelagic marine fish, commonly named bristlemouths, lightfishes, or anglemouths.
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Greeneye
Greeneyes are deep-sea aulopiform marine fishes in the small family Chlorophthalmidae.
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Grenadiers (fish)
Grenadiers or rattails are generally large, brown to black gadiform marine fish of the subfamily Macrourinae, the largest subfamily of the family Macrouridae.
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Gulf of Oman
The Gulf of Oman or Sea of Oman (خليج عُمان khalīj ʿUmān; دریای عمان daryāye ʿUmān) is a strait (and not an actual gulf) that connects the Arabian Sea with the Strait of Hormuz, which then runs to the Persian Gulf.
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Hagfish
Hagfish, the class '''Myxini''' (also known as Hyperotreti), are eel-shaped, slime-producing marine fish (occasionally called slime eels).
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Halfbeak
The halfbeaks (family Hemiramphidae) are a geographically widespread and numerically abundant family of epipelagic fish inhabiting warm waters around the world.
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Hammerjaw
The hammerjaw, Omosudis lowii, is a small deep-sea aulopiform fish, found worldwide in tropical and temperate waters to 4,000 m (13,000 ft) depth.
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Haplophryne mollis
The ghostly seadevil or soft leftvent angler, Haplophryne mollis, is a species of anglerfish in the family Linophrynidae and is the only species in the genus Haplophryne.
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Hermaphrodite
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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Herring
Herring are forage fish, mostly belonging to the family Clupeidae.
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Human
Humans (taxonomically Homo sapiens) are the only extant members of the subtribe Hominina.
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Humpback anglerfish
Melanocetus johnsonii is a species of black seadevils in the family of Melanocetidae, which means “black large sea creature” in Greek.
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Hydrothermal vent
A hydrothermal vent is a fissure in a planet's surface from which geothermally heated water issues.
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Inner ear
The inner ear (internal ear, auris interna) is the innermost part of the vertebrate ear.
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King penguin
The king penguin (Aptenodytes patagonicus) is a large species of penguin, second only to the emperor penguin in size.
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Krill
Krill are small crustaceans of the order Euphausiacea, and are found in all the world's oceans.
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Lamniformes
The Lamniformes (from the Greek word, Lamna "fish of prey") are an order of sharks commonly known as mackerel sharks (which may also refer specifically to the family Lamnidae).
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Lampriformes
Lampriformes is an order of ray-finned fish.
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Lancetfish
Lancetfishes are large oceanic predatory fishes in the genus Alepisaurus ("scaleless lizard"), the only living genus in the family Alepisauridae.
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Lanternfish
Lanternfishes (or myctophids, from the Greek μυκτήρ myktḗr, "nose" and ophis, "serpent") are small mesopelagic fish of the large family Myctophidae.
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Larva
A larva (plural: larvae) is a distinct juvenile form many animals undergo before metamorphosis into adults.
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Lateral line
The lateral line is a system of sense organs found in aquatic vertebrates, used to detect movement, vibration, and pressure gradients in the surrounding water.
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Lighting
Lighting or illumination is the deliberate use of light to achieve a practical or aesthetic effect.
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Lumpsucker
Lumpsuckers or lumpfish are mostly small scorpaeniform marine fish of the family Cyclopteridae.
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Mandible
The mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the human face.
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Marine hatchetfish
Marine hatchetfishes or deep-sea hatchetfishes are small deep-sea mesopelagic ray-finned fish of the stomiiform subfamily Sternoptychinae.
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Marine snow
In the deep ocean, marine snow is a continuous shower of mostly organic detritus falling from the upper layers of the water column.
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Mesopelagic zone
The mesopelagic (Greek μέσον, middle) (also known as the middle pelagic or twilight zone) is that part of the pelagic zone that extends from a depth of 200 to 1000 meters (~660 to 3300 feet) below the ocean surface.
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Metabolism
Metabolism (from μεταβολή metabolē, "change") is the set of life-sustaining chemical transformations within the cells of organisms.
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Microorganism
A microorganism, or microbe, is a microscopic organism, which may exist in its single-celled form or in a colony of cells. The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from 6th century BC India and the 1st century BC book On Agriculture by Marcus Terentius Varro. Microbiology, the scientific study of microorganisms, began with their observation under the microscope in the 1670s by Antonie van Leeuwenhoek. In the 1850s, Louis Pasteur found that microorganisms caused food spoilage, debunking the theory of spontaneous generation. In the 1880s Robert Koch discovered that microorganisms caused the diseases tuberculosis, cholera and anthrax. Microorganisms include all unicellular organisms and so are extremely diverse. Of the three domains of life identified by Carl Woese, all of the Archaea and Bacteria are microorganisms. These were previously grouped together in the two domain system as Prokaryotes, the other being the eukaryotes. The third domain Eukaryota includes all multicellular organisms and many unicellular protists and protozoans. Some protists are related to animals and some to green plants. Many of the multicellular organisms are microscopic, namely micro-animals, some fungi and some algae, but these are not discussed here. They live in almost every habitat from the poles to the equator, deserts, geysers, rocks and the deep sea. Some are adapted to extremes such as very hot or very cold conditions, others to high pressure and a few such as Deinococcus radiodurans to high radiation environments. Microorganisms also make up the microbiota found in and on all multicellular organisms. A December 2017 report stated that 3.45 billion year old Australian rocks once contained microorganisms, the earliest direct evidence of life on Earth. Microbes are important in human culture and health in many ways, serving to ferment foods, treat sewage, produce fuel, enzymes and other bioactive compounds. They are essential tools in biology as model organisms and have been put to use in biological warfare and bioterrorism. They are a vital component of fertile soils. In the human body microorganisms make up the human microbiota including the essential gut flora. They are the pathogens responsible for many infectious diseases and as such are the target of hygiene measures.
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Neoteny
Neoteny, (also called juvenilization)Montagu, A. (1989).
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Ogcocephalidae
Ogcocephalidae is a family of anglerfish specifically adapted for a benthic lifestyle of crawling about on the seafloor.
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Olfaction
Olfaction is a chemoreception that forms the sense of smell.
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Opah
Opahs (also commonly known as moonfish, sunfish (not to be confused with Molidae), kingfish, redfin ocean pan, and Jerusalem haddock) are large, colorful, deep-bodied pelagic lampriform fishes comprising the small family Lampridae (also spelled Lamprididae).
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Organic compound
In chemistry, an organic compound is generally any chemical compound that contains carbon.
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Osteichthyes
Osteichthyes, popularly referred to as the bony fish, is a diverse taxonomic group of fish that have skeletons primarily composed of bone tissue, as opposed to cartilage.
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Overfishing
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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Pascal (unit)
The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.
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Pelagic fish
Pelagic fish live in the pelagic zone of ocean or lake waters – being neither close to the bottom nor near the shore – in contrast with demersal fish, which do live on or near the bottom, and reef fish, which are associated with coral reefs.
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Pelagic zone
The pelagic zone consists of the water column of the open ocean, and can be further divided into regions by depth.
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Pelican eel
The gulper eel (Eurypharynx pelecanoides) is a deep-sea fish rarely seen by humans, though it is occasionally caught in fishing nets.
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Perciformes
Perciformes, also called the Percomorpha or Acanthopteri, are the most numerous order of vertebrates, containing about 41% of all bony fish.
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Pheromone
A pheromone (from Ancient Greek φέρω phero "to bear" and hormone, from Ancient Greek ὁρμή "impetus") is a secreted or excreted chemical factor that triggers a social response in members of the same species.
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Phosichthyidae
Lightfishes are small stomiiform fishes in the family Phosichthyidae). --> They are very small fishes found in oceans throughout the world: most species grow no longer than 10 cm, while those in the genus Vinciguerria only reach 4 cm or so. They make up for their small size with abundant numbers: Vinciguerria is thought — with the possible exception of Cyclothone — to be the most abundant genus of vertebrates. Deep-sea trawls of the Humboldt Current in the southeast Pacific have found that lightfishes make up 85% by mass of mesopelagic fishes, with Vinciguerria lucetia by far the most numerous species. They are bioluminescent fishes, possessing rows of photophores along their sides, with which they hunt planktonic invertebrates, especially krill.
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Photic zone
The photic zone, euphotic zone (Greek for "well lit": εὖ "well" + φῶς "light"), or sunlight or (sunlit) zone is the uppermost layer of water in a lake or ocean that is exposed to intense sunlight.
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Photophore
A photophore is a glandular organ that appears as luminous spots on various marine animals, including fish and cephalopods.
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Photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities (energy transformation).
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Piscivore
A piscivore is a carnivorous animal that eats primarily fish.
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Plankton
Plankton (singular plankter) are the diverse collection of organisms that live in large bodies of water and are unable to swim against a current.
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Pomfret
Pomfrets are perciform fishes belonging to the family Bramidae.
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Primary production
Global oceanic and terrestrial photoautotroph abundance, from September 1997 to August 2000. As an estimate of autotroph biomass, it is only a rough indicator of primary-production potential, and not an actual estimate of it. Provided by the SeaWiFS Project, NASA/Goddard Space Flight Center and ORBIMAGE. In ecology, primary production is the synthesis of organic compounds from atmospheric or aqueous carbon dioxide.
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Protist
A protist is any eukaryotic organism that has cells with nuclei and is not an animal, plant or fungus.
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Reproduction
Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parents".
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Requiem shark
Requiem sharks are sharks of the family Carcharhinidae in the order Carcharhiniformes, containing migratory, live-bearing sharks of warm seas (sometimes of brackish or fresh water) such as the spinner shark, the blacknose shark, the blacktip shark, the grey reef shark, and the blacktip reef shark.
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Research
Research comprises "creative and systematic work undertaken to increase the stock of knowledge, including knowledge of humans, culture and society, and the use of this stock of knowledge to devise new applications." It is used to establish or confirm facts, reaffirm the results of previous work, solve new or existing problems, support theorems, or develop new theories.
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Ridgehead
Ridgeheads, also known as bigscales, are a family (Melamphaidae, from the Greek melanos and amphi) of small, deep-sea stephanoberyciform fish.
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Rod cell
Rod cells are photoreceptor cells in the retina of the eye that can function in less intense light than the other type of visual photoreceptor, cone cells.
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Sabertooth fish
Sabertooth or sabretooth fish are small, fierce-looking deep-sea aulopiform fish comprising the family Evermannellidae.
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Saccopharyngiformes
Saccopharyngiformes is an order of unusual ray-finned fish, superficially similar to eels, but with multiple internal differences.
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Salmon
Salmon is the common name for several species of ray-finned fish in the family Salmonidae.
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Salmonidae
Salmonidae is a family of ray-finned fish, the only living family currently placed in the order Salmoniformes.
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Scientist
A scientist is a person engaging in a systematic activity to acquire knowledge that describes and predicts the natural world.
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Scomberesocidae
Sauries are fish of the family Scomberesocidae.
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Sea
A sea is a large body of salt water that is surrounded in whole or in part by land.
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Sea urchin
Sea urchins or urchins are typically spiny, globular animals, echinoderms in the class Echinoidea.
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Seamount
A seamount is a mountain rising from the ocean seafloor that does not reach to the water's surface (sea level), and thus is not an island, islet or cliff-rock.
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Sexual dimorphism
Sexual dimorphism is the condition where the two sexes of the same species exhibit different characteristics beyond the differences in their sexual organs.
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Sexual maturity
Sexual maturity is the capability of an organism to reproduce.
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Skeleton
The skeleton is the body part that forms the supporting structure of an organism.
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Sloane's viperfish
Sloane’s viperfish, Chauliodus sloani, is a predatory, mesopelagic dragonfish found in deep-pelagic waters across the world.
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Sonar
Sonar (originally an acronym for SOund Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.
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South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa.
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Southern Ocean
The Southern Ocean, also known as the Antarctic Ocean or the Austral Ocean, comprises the southernmost waters of the World Ocean, generally taken to be south of 60° S latitude and encircling Antarctica.
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Spiny eel
The name spiny eel is used to describe members of two different families of fish: the freshwater Mastacembelidae of Asia and Africa, and the marine (and generally deep sea) Notacanthidae.
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Squid
Squid are cephalopods of the two orders Myopsida and Oegopsida, which were formerly regarded as two suborders of the order Teuthida, however recent research shows Teuthida to be paraphyletic.
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Stingray
Stingrays are a group of sea rays, which are cartilaginous fish related to sharks.
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Stoplight loosejaw
The stoplight loosejaws are small, deep-sea dragonfishes of the genus Malacosteus, classified either within the subfamily Malacosteinae of the family Stomiidae, or in the separate family Malacosteidae.
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Swim bladder
The swim bladder, gas bladder, fish maw or air bladder is an internal gas-filled organ that contributes to the ability of many bony fish (but not cartilaginous fish) to control their buoyancy, and thus to stay at their current water depth without having to waste energy in swimming.
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Telescopefish
Telescopefish are small, deep-sea aulopiform fish comprising the small family Giganturidae.
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Thermocline
A thermocline (also known as the thermal layer or the metalimnion in lakes) is a thin but distinct layer in a large body of fluid (e.g. water, such as an ocean or lake) or air (such as an atmosphere) in which temperature changes more rapidly with depth than it does in the layers above or below.
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Tonne
The tonne (Non-SI unit, symbol: t), commonly referred to as the metric ton in the United States, is a non-SI metric unit of mass equal to 1,000 kilograms;.
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Trawling
Trawling is a method of fishing that involves pulling a fishing net through the water behind one or more boats.
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Tuna
A tuna is a saltwater fish that belongs to the tribe Thunnini, a sub-grouping of the mackerel family (Scombridae).
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Unicorn crestfish
The unicorn crestfish or unicornfish (Eumecichthys fiski) is a very rare, little-known species of crestfish in the family Lophotidae, and the only member of its genus.
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Vertebrate
Vertebrates comprise all species of animals within the subphylum Vertebrata (chordates with backbones).
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Viperfish
A viperfish is any species of marine fish in the genus Chauliodus.
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Viviparous brotula
The viviparous brotulas form a family, the Bythitidae, of ophidiiform fishes.
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Water column
A water column is a conceptual column of water from the surface of a sea, river or lake to the bottom sediment.
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Whale shark
The whale shark (Rhincodon typus) is a slow-moving, filter-feeding carpet shark and the largest known extant fish species.
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Zooplankton
Zooplankton are heterotrophic (sometimes detritivorous) plankton.
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Redirects here:
Deep Sea Fishes, Deep ocean fish, Deep sea fish species, Deep sea fishes, Deep-sea fish.
References
[1] https://en.wikipedia.org/wiki/Deep_sea_fish
