Then, in 1868, Albert Günther, a scientist at the British Museum of Natural History, published an opinion piece that lumped all arapaima into one species: Arapaima gigas.

Four species of arapaima were recognized in the mid-1800s, but in 1868, Albert Günther, a scientist at the British Museum of Natural History, published an opinion that those were all one species, ...

Books Received Published: 02 March 1871 Catalogue of Fishes in the British Museum Nature 3, 342–344 (1871) Cite this article ...