Fish Encyclopedia
Search and identify 1,000+ fish species — freshwater, saltwater, reef, and pelagic — with habitat, size, diet, behavior, and how to tell them apart.
Blobfish
A gelatinous deep-sea sculpin whose flesh is slightly less dense than water, letting it hover just above the seafloor without expending much energy swimming.
deepseaBlack Swallower
A small deep-sea fish renowned for an extraordinarily distensible stomach that lets it engulf prey several times its own body length and mass in a single strike.
deepseaBlack Hagfish
The black hagfish is a jawless, deep-sea scavenger found on the muddy continental slope off the Pacific coast of North America, notable for its uniformly dark coloration.
deepseaAtlantic Hagfish
The Atlantic hagfish is a primitive, eel-like, jawless scavenger known for producing enormous quantities of defensive slime and for its ability to feed inside the carcasses of dead or dying animals on the seafloor.
deepseaBarreleye
The barreleye, or spookfish, is a deep-sea fish with a transparent, dome-shaped head revealing barrel-shaped, upward-rotating tubular eyes, unlike any other fish.
deepseaAnglerfish
A bizarre deep-sea predator that lures prey with a bioluminescent lure atop its head, adapted to life in total darkness at crushing ocean depths.
deepsea