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.
Honeycomb Cowfish
A boxy, rigid-bodied cowfish of the tropical western Atlantic, its bluish-green scales outlined in dark hexagonal borders creating a honeycomb pattern, with a pair of forward-pointing horns above the eyes.
reef
Banded Drum
A small, deep-bodied drum from the western Atlantic, distinguished by faint vertical bars crossing its silvery, high-backed body.
saltwater
Majestic Angelfish
A boldly patterned western-Pacific angelfish with orange body, blue-edged bands, and a blue lower body.
reef
Bib
The bib, or pouting, is a small, deep-bodied cod relative of the northeastern Atlantic, easily recognized by its coppery-bronze body marked with dark vertical bars.
saltwater
Tropical Gar
A large-bodied gar native to Central American rivers and lakes, with a broad snout and faint dark spotting on its rear body and fins.
freshwater
Lake Wanam Rainbowfish
A deep-bodied rainbowfish endemic to the small crater Lake Wanam in Papua New Guinea, with males showing rich orange-red body coloration.
freshwaterPacific Bluefin Tuna
A massive, warm-bodied tuna capable of ocean-basin migrations across the entire North Pacific, recognized by its deep, torpedo-shaped body and short pectoral fins.
pelagic
Widow Rockfish
A bronze-brown, large-eyed rockfish that forms dense midwater schools over the outer continental shelf and was once the target of one of the Pacific coast's largest groundfish fisheries.
saltwater
Uaru
A large, deep-bodied Amazonian cichlid known for a dramatic color change with age, from a striped juvenile pattern to a mottled brown adult, and for a rare parenting behavior in which parents feed their fry a body-slime secretion.
freshwater
Kuhli Loach
An eel-like, nocturnal loach with a banded body that burrows through substrate in streams across Southeast Asia.
freshwater
Glass Catfish
A small Southeast Asian catfish with an almost fully transparent body that reveals its skeleton and internal organs.
freshwater
Pearlscale Butterflyfish
A western-Pacific butterflyfish with a cross-hatched pearly body and a bright orange rear and tail.
reef
Pompano
A deep-bodied, silvery jack with a forked tail, found along sandy coastal shores of the eastern Atlantic and Mediterranean.
saltwater
Fiji Blue Devil
A striking blue-headed, yellow-bodied damselfish endemic to the coral reefs of Fiji and nearby South Pacific islands.
reef
Passer Angelfish
An eastern-Pacific angelfish with a dark blue body, a single white vertical bar, and a yellow tail.
reef
Racoon Butterflyfish
An Indo-Pacific butterflyfish with a black 'mask' over the eyes bordered by white and a broad yellow body.
reefCorvina
A large silvery weakfish native to the Gulf of California, best known by its bright orange mouth lining and countershaded body.
saltwaterSpeckled Flounder
A small, left-eyed flatfish of the tropical eastern Pacific, named for the fine speckled pattern covering its upper body.
saltwater
Threadfin Rainbowfish
A tiny, delicate rainbowfish famed for the male's elongated, thread-like extensions on the dorsal and anal fins that trail behind the body.
freshwater
Shortnose Gar
A slim-bodied gar of the Mississippi basin with the shortest, broadest snout of the North American gars, sparsely marked with dark spots.
freshwater
Pictus Catfish
A small, active South American catfish marked with dark spots over a silvery body and extremely long, trailing barbels.
freshwater
Electric Catfish
An African freshwater catfish capable of generating strong electric discharges from specialized body tissue used for hunting and defense.
freshwater
Diamond Tetra
A deep-bodied Venezuelan characin famed for its sparkling iridescent scales, endemic to the ecologically stressed Lake Valencia basin.
freshwater
Black Sea Bream
A deep-bodied porgy of the Mediterranean and Eastern Atlantic, notable for males that excavate and guard nest depressions on the seabed during spawning.
saltwater