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.
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
Swordfish
A large, powerful open-ocean predator identified by its long, flat sword-like bill, capable of deep dives and high-speed pursuit of prey.
pelagicBearded Croaker
A small South American croaker easily recognized by the single sensory barbel on its chin, an unusual trait among drums.
saltwater
Stone Loach
The Stone Loach is a small, mottled bottom-dwelling fish common in clear European streams, often hiding under stones by day.
freshwater
Spotfin Croaker
A robust surf-zone drum from Southern California and Baja, easily identified by a bold black spot at the base of each pectoral fin.
saltwater
Spotted Croaker
A large Indo-Pacific drum with scattered dark spots along its silvery back, common in turbid estuaries and river mouths.
brackish
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.
brackish
Spinner Shark
A slender, high-speed coastal shark famous for leaping and spinning out of the water while lunging through schools of baitfish.
saltwater
Silky Shark
A slender, deep-water pelagic shark with smooth, silky-textured skin, among the most abundant sharks found around tropical open-ocean waters.
pelagic
Red-eye Tetra
A hardy, wide-ranging South American characin identified by its striking red iris band and bold black-and-white marked tail base.
freshwater
Redtail Catfish
A large South American river catfish easily recognized by its dark body, cream underside, and vivid orange-red tail fin.
freshwater
Rosy Rockfish
A small, brightly colored rockfish with rose-pink coloring and dark saddle blotches, found on rocky reefs along the California coast.
saltwater
Pictus Catfish
A small, active South American catfish marked with dark spots over a silvery body and extremely long, trailing barbels.
freshwater
Pike Livebearer
A large, elongated predatory livebearer from Central America with a pike-like head and mouth built for ambushing small fish.
freshwater
Pompano
A deep-bodied, silvery jack with a forked tail, found along sandy coastal shores of the eastern Atlantic and Mediterranean.
saltwater
Picasso Triggerfish
A boldly patterned triggerfish with geometric blue, yellow, and black markings, common on shallow Indo-Pacific reef flats.
reef
Moorish Idol
An unmistakable disc-shaped reef fish with bold black-white-yellow bands and a dramatically long trailing dorsal fin.
reef
Maroon Clownfish
The largest and most aggressive anemonefish, with a deep maroon body and bold white or gold bars, fiercely guarding its host anemone.
reef
Golden Trevally
A bright golden-yellow jack, often banded as a juvenile, found around coral reefs and lagoons throughout the Indo-Pacific.
reef
Florida Pompano
A deep-bodied, silvery fish with a forked tail and yellow-tinged fins, common in sandy surf zones along the western Atlantic coast.
saltwater
Fingerprint 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.
reef
California Corbina
A prized surf-zone drum of the California coast, recognized by its uniform silvery body, sloping snout, and single chin barbel.
saltwater
Caribbean Reef Shark
The most commonly encountered large shark on Caribbean reefs, a stocky gray requiem shark often seen resting motionless on the sea floor.
reef
Bluefin Trevally
A vividly colored reef jack covered in electric-blue spots, with matching blue fins, patrolling coral reefs across the Indo-Pacific.
reef