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; superorder Protacanthopterygii, order Salmoniformes)

A small family of freshwater fish that have a streamlined body, a produced, duck-like snout, and a large mouth containing many sharp teeth. The anal and single dorsal fins are located to the rear of the body, near the tail. Adult pike tend to be aggressive, solitary individuals. Restricted to the northern hemisphere, Esox lucius (European pike) ranges from Ireland, across Europe to eastern Siberia, and right across N. America. Other species, including E. masquinongy (muskellunge), are found only in N. America. Female European pike can grow to a length of 1.5 m. There are about five species.

Subjects: Zoology and Animal Sciences.

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