The pike is named after an old pointed weapon, the long pole called a pike. Its long, pointed head does look the part.

Fish and Sharks · day 2 of 7
It is named after the pike, a long pointed pole-weapon.
Pike are ambush hunters that keep still, then accelerate suddenly.
It bends into an S to speed off and into a C to brake.
It catches prey sideways, then turns it to swallow it headfirst.
Most are 40 to 55 cm, but the record is up to 150 cm.
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