Boxfish are named for their rectangular shape, formed by a rigid shell around the body. Only the fishes’ eyes, fins, mouths and tail are movable. Boxfish ooze a poison to ward off predators. Select an ...

A male spotted boxfish in Oahu waters. Each male boxfish keeps several females to himself, fighting off other males with the nerve to raid the harem. Males fight over females by ramming one another, ...