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.
Ram Cichlid
A small, dazzlingly colorful South American dwarf cichlid prized for its violet-blue iridescence and peaceful, pair-bonding nature.
freshwater
Dwarf Gourami
A small, colorful labyrinth fish from South Asia, with males displaying vivid diagonal red and blue stripes, popular in the freshwater aquarium trade.
freshwater
Dwarf Livebearer
One of the smallest fish species in the world, this tiny freshwater livebearer from the southeastern United States is prized for its miniature size and easy breeding.
freshwater
Dwarf Lionfish
A compact, mottled lionfish with broad fan-like fins and venomous spines, ambushing prey on Indo-Pacific reefs.
reef
Dwarf Seahorse
One of the smallest seahorse species in the world, standing barely a few centimeters tall and clinging to seagrass blades in shallow waters of the southeastern United States and Bahamas.
saltwater
Dwarf Pufferfish
The Dwarf Pufferfish is one of the world's smallest puffers, a freshwater species from southern India prized for its tiny size and expressive, alert behavior.
freshwater
Venustus Cichlid
Nicknamed the giraffe cichlid for its blotched, leopard-like pattern, this Lake Malawi predator is known for a striking hunting trick: lying motionless on its side to lure in unsuspecting prey.
freshwater
Peacock Cichlid
A brilliantly colored Lake Malawi cichlid whose males flash iridescent blues, oranges, and yellows to attract mates and rivals alike.
freshwater
Jaguar Cichlid
A large, powerfully built Central American predator whose irregular black leopard-like blotches over a pale body give it its common name.
freshwater
Firemouth Cichlid
A Central American cichlid famous for the fiery red-orange throat it flares open to intimidate rivals during territorial disputes.
freshwater
Convict Cichlid
A small, hardy Central American cichlid named for its bold black-and-white striped pattern, popular in aquariums for its easy care and attentive parenting behavior.
freshwater
Wolf Cichlid
One of the largest Central American cichlids, this powerful predator combines vivid turquoise and orange coloration with formidable jaws.
freshwater
Texas Cichlid
The only cichlid native to the United States, this pearly, turquoise-spotted fish thrives in the rivers of Texas and northeastern Mexico.
freshwater
Salvini Cichlid
A colorful, feisty Central American cichlid, the salvini displays a striking mix of gold, black, and turquoise, and is known for defending territory vigorously in the rivers and lakes it calls home.
freshwater
Midas Cichlid
A large, variably colored Central American cichlid, ranging from mottled gray to solid gold-orange, known for its bold and often combative nature.
freshwater
Keyhole Cichlid
A calm, mild-mannered South American cichlid named for the distinctive dark keyhole-shaped blotch on its flank, this species is known for its subdued coloration and unusually peaceful temperament.
freshwater
Lionhead Cichlid
Also known as the buffalohead cichlid, this Congo River rapids specialist gets its "lionhead" nickname from the rounded, maned appearance of the fatty hump on a mature male's forehead.
freshwater
Demasoni Cichlid
One of the smallest mbuna cichlids, the demasoni is instantly recognizable by its bold blue-and-black barring and is known for surprisingly intense territorial aggression despite its diminutive size.
freshwater
Emperor Cichlid
The largest cichlid species in the world, the emperor cichlid grows to nearly a meter long in the deep waters of Lake Tanganyika and is notable for spawning only once before dying shortly after.
freshwater
Auratus Cichlid
A small, strikingly striped mbuna from Lake Malawi, the auratus cichlid reverses its coloration between sexes as it matures, with golden juveniles giving way to dark, aggressive adult males.
freshwater
Dwarf Neon Rainbowfish
A pint-sized New Guinea rainbowfish and one of the smallest Melanotaenia species, known in the aquarium trade for its saturated blue-violet males.
freshwater
Red Devil Cichlid
A bold, thick-lipped Nicaraguan cichlid known for its fiery orange-red or white coloration and famously feisty, combative temperament.
freshwater
Buffalo Head Cichlid
A stocky, bottom-dwelling cichlid from the fast rapids of the Congo River, the buffalo head cichlid is named for the pronounced fatty hump that develops on the forehead of mature males.
freshwaterBlood Parrot Cichlid
A rounded, vivid orange-red hybrid cichlid recognized by its permanently small, beak-like mouth and stubby, rounded fins.
freshwater