Northern pike

Description:

The northern pike (Esox lucius), known simply as a pike in Britain, Ireland, most parts of the USA, or as jackfish in Canada or simply "Northern" in the Upper Midwest of the USA), is a species of carnivorous fish of the genus Esox (the pikes). They are typical of brackish and freshwaters of the northern hemisphere (i.e. holarctic in distribution).

Habitat:

Aquarium of the Ozeaneum, Stralsund, Germany.