Lancetfish lack a swim bladder and have gelatinous, watery muscles, which suggests they are ambush predators rather than fast, long-distance swimmers. Ecology and Behavior ITIS - Report: Alepisaurus
The more widely distributed and better-known species, characterized by a noticeably longer snout. alepisaurus
A prominent, high dorsal fin runs nearly the entire length of their back, often standing twice as high as the fish is deep. Lancetfish lack a swim bladder and have gelatinous,