Fish. Watercolour drawing.

This fish is of uncertain species, but it resembles a snake-head, a member of the Ophicephalidae family. Snake-heads are voracious fish, able to eat frogs, mice or rats and prey on fish as big as themselves. They prefer to live in dirty waters compared clean fresh water and purify the water by destroying anything animal or vegetable in its way. Certain classes refuse to eat it, because of its head, as it bears a resemblance to serpents