Actinopterygii, or the ray-finned fishes, constitute a class or subclass of the bony fishes.
Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia.
Asia is Earth's largest and most populous continent, located primarily in the Eastern and Northern Hemispheres.
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.
Dr Francis Buchanan FRS FRSE FLS FAS FSA DL (15 February 1762 – 15 June 1829), later known as Francis Hamilton but often referred to as Francis Buchanan-Hamilton, was a Scottish physician who made significant contributions as a geographer, zoologist, and botanist while living in India.
Macrognathus is a genus of eel-like fish of the family Mastacembelidae of the order Synbranchiformes.
The Mastacembelidae are a family of fishes, known as the spiny eels.
Synbranchiformes, often called swamp eels, is an order of ray-finned fishes that are eel-like but have spiny rays, indicating that they belong to the superorder Acanthopterygii.