But in 1868, Albert Günther, a scientist at the British Museum of Natural History, lumped all arapaima under one category and his views have been widely accepted since.

In 1864, German-born British zoologist, Albert Günther (1830-1914), discovered a new species of highly venomous viviparous (giving live birth) sea snakes, thereafter named Günther's sea snake.

In 1864, German-born British zoologist, Albert Günther (1830-1914), discovered a new species of highly venomous viviparous (giving live birth) sea snakes, thereafter named Günther's sea snake.

In 1864, German-born British zoologist, Albert Günther (1830-1914), discovered a new species of highly venomous viviparous (giving live birth) sea snakes, thereafter named Günther's sea snake.

The snake is viviparous, meaning it gives birth to live young, and was first discovered in 1864 by a zoologist named Albert Günther.