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.
Spot Croaker
Spot is a small, deep-bodied estuarine fish easily identified by a single dark shoulder spot and faint oblique bars along its upper body.
brackishSpotted Wolffish
A large, deep-water wolffish covered in bold dark spots, found in cold Arctic and North Atlantic waters on rocky and gravel seafloor.
deepseaRed-eye Tetra
A hardy, wide-ranging South American characin identified by its striking red iris band and bold black-and-white marked tail base.
freshwaterRedtail Catfish
A large South American river catfish easily recognized by its dark body, cream underside, and vivid orange-red tail fin.
freshwaterRosy Rockfish
A small, brightly colored rockfish with rose-pink coloring and dark saddle blotches, found on rocky reefs along the California coast.
saltwaterPictus Catfish
A small, active South American catfish marked with dark spots over a silvery body and extremely long, trailing barbels.
freshwaterPike Livebearer
A large, elongated predatory livebearer from Central America with a pike-like head and mouth built for ambushing small fish.
freshwaterPompano
A deep-bodied, silvery jack with a forked tail, found along sandy coastal shores of the eastern Atlantic and Mediterranean.
saltwaterPermit
A deep-bodied, silvery flats and reef fish of the western Atlantic, famed among anglers for its wary nature and sickle-shaped fins.
reefPicasso Triggerfish
A boldly patterned triggerfish with geometric blue, yellow, and black markings, common on shallow Indo-Pacific reef flats.
reefPanda Corydoras
A small, pale armored catfish with bold black patches around the eyes and tail, resembling its namesake in miniature form.
freshwaterMandarinfish
A tiny, vividly patterned reef fish covered in a maze-like network of blue, orange, and green, prized as one of the most colorful fish in the ocean.
reefMoorish Idol
An unmistakable disc-shaped reef fish with bold black-white-yellow bands and a dramatically long trailing dorsal fin.
reefNiger Triggerfish
A deep blue-green triggerfish with reddish teeth and a trailing crescent tail, often seen feeding on plankton above reef slopes.
reefNorthern Kingfish
A slender surf-dwelling drum of the Atlantic coast, marked by bold dark diagonal bars and a distinctive elongated dorsal fin ray.
saltwaterMaroon Clownfish
The largest and most aggressive anemonefish, with a deep maroon body and bold white or gold bars, fiercely guarding its host anemone.
reefNaso Tang
A large surgeonfish with bright orange lips and a yellow tail-base marking, grazing algae along Indo-Pacific reef slopes.
reefFlorida Pompano
A deep-bodied, silvery fish with a forked tail and yellow-tinged fins, common in sandy surf zones along the western Atlantic coast.
saltwaterFingerprint Filefish
The Fingerprint Filefish is a small reef filefish with a dark head, orange-brown body marked by fine irregular lines, and a bright orange tail.
reefFiji Blue Devil
A striking blue-headed, yellow-bodied damselfish endemic to the coral reefs of Fiji and nearby South Pacific islands.
reefGlass Catfish
A small Southeast Asian catfish with an almost fully transparent body that reveals its skeleton and internal organs.
freshwaterGolden Trevally
A bright golden-yellow jack, often banded as a juvenile, found around coral reefs and lagoons throughout the Indo-Pacific.
reefEuropean Sea Bass
The European sea bass is a sleek, silvery predator common along European and North African coasts, prized by anglers as a hard-fighting sport fish.
saltwaterDolly Varden
A char of Pacific coastal rivers named for a colorfully dressed Dickens character, closely related to and often confused with Arctic Char.
freshwater