Hammerhead

A shark of the genus Sphyrna or Zygaena, having the eyes set on projections from the sides of the head, which gives it a hammer shape. The Sphyrna zygaena is found in the North Atlantic. Called also hammer fish, and balance fish.

A fresh-water fish; the stone-roller.

An African fruit bat (Hypsignathus monstrosus); -- so called from its large blunt nozzle.

medium-sized live-bearing shark with eyes at either end of a flattened hammer-shaped head; worldwide in warm waters; can be dangerous