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.
Two-spot Red Snapper
The two-spot red snapper, or bohar snapper, is a large, deep red Indo-Pacific reef predator, sometimes showing two pale saddle spots on the back, and an important predator on coral reef slopes.
reefWhite Hake
White hake is a large, elongated cod relative of the western North Atlantic shelf and slope, larger and grayer than red hake, with long pelvic fin filaments.
saltwaterTwinspot Wrasse
A large Indo-Pacific wrasse; juveniles are white with two red-and-black spots, while old males become bulky and greenish with a forehead hump.
reefTomtate
A small silvery grunt common over reefs and hard-bottom habitats of the western Atlantic, recognized by a dark blotch near the base of its tail fin.
reefTexas Cichlid
The only cichlid native to the United States, this pearly, turquoise-spotted fish thrives in the rivers of Texas and northeastern Mexico.
freshwaterStaghorn Sculpin
A common bottom-dwelling sculpin of Pacific coast bays and estuaries, named for the large branching (antler-like) spine on its gill cover.
brackishRedband Parrotfish
A small, variable Caribbean parrotfish; terminal males are green with a red band and a distinctive yellow-and-black shoulder spot.
reefSauger
A slender, olive-gold relative of the walleye, best known for the rows of black spots on its spiny dorsal fin and its love of murky river currents.
freshwaterSand Seatrout
A pale, slender weakfish common in Gulf of Mexico bays and estuaries, closely related to spotted seatrout but lacking body spots.
brackishPilotfish
A boldly barred open-ocean jack famous for closely trailing sharks and other large marine animals for shelter and feeding opportunities.
pelagicPowder Blue Tang
A vivid powder-blue surgeonfish with a black facial mask and white throat patch, common on shallow reef edges across the Indian Ocean.
reefRainbow Wrasse
A slender Mediterranean and eastern-Atlantic wrasse; terminal males have a vivid orange zigzag stripe along a blue-green body.
saltwaterQueenfish
A small, slender drum common in California bays and nearshore waters, notable for forming large, tightly packed schools near the surface.
saltwaterPlecostomus
A heavily armored South American catfish with a downward-facing sucker mouth used to graze algae from rocks and submerged wood.
freshwaterReedfish
A snake-bodied African fish with a lung-like breathing organ, related to bichirs, prized for its unusual elongated form and air-breathing ability.
freshwaterRed Snapper
A rosy-red snapper of the Gulf of Mexico and southeastern U.S. coast, recognized by its sloped profile, sharp triangular teeth, and bright red eyes.
reefNorthern Wolffish
The largest wolffish species, the Northern Wolffish is a plain grey-brown, deep-water predator of the North Atlantic and Arctic with powerful crushing jaws.
deepseaMegamouth Shark
An enormous, gentle filter-feeding shark with a massive rounded mouth, discovered only in 1976 and still one of the rarest sharks on record.
deepseaMulloway
A large, powerful drum found around Australia, South Africa, and parts of Asia, known for its silvery body, bronze sheen, and impressive size.
saltwaterMadagascar Rainbowfish
An elongated, silvery rainbowfish from Madagascar's eastern rainforest rivers, recognized by its bold black-edged yellow and red fin markings.
freshwaterHardhead Catfish
A common western Atlantic sea catfish with a bony plate on its head, short barbels, and a mouthbrooding reproductive strategy shared with related sea catfish.
saltwaterLoach Goby
The Loach Goby is an elongated, flat-bodied fish that clings to rocks in fast-flowing Indo-Pacific streams, combining goby and loach-like features.
freshwaterIndo-Pacific Sailfish
The Indo-Pacific sailfish is a large, streamlined billfish famed for its towering, sail-like dorsal fin and status as one of the fastest fish in the ocean.
pelagicKingfish
Kingfish, led by the Northern Kingfish, are silvery-grey surf-zone drums with a chin barbel and diagonal body bars, common along Atlantic beaches.
saltwater