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.
Senorita
A slender, golden-brown kelp forest wrasse of the California coast known for its cleaning behavior, picking parasites off larger fish such as sheephead.
saltwater
Reef Croaker
A coppery-golden drum associated with Caribbean coral reefs, unusual among croakers for its strong reef affinity rather than open sand or mud habitat.
reef
Gilthead Bream
A deep-bodied Mediterranean and Eastern Atlantic sparid named for the golden band across its forehead. A euryhaline species that moves between coastal reefs and brackish lagoons.
saltwater
Eastern Rainbowfish
A widespread eastern Australian subspecies of the splendid rainbowfish complex, showing blue-green to golden flanks and yellow-orange fins along coastal Queensland rivers.
freshwater
Walleye
A slender, golden-olive freshwater predator named for its large, glassy, light-reflective eyes that give it excellent low-light vision for hunting at dusk and in murky water.
freshwater
Peacock Bass
A powerful, brilliantly colored cichlid from South America, prized for its golden-green flanks, dark vertical bars, and the distinctive eyespot at the base of its tail.
freshwater
Bicolor Anthias
A small Indo-Pacific reef fish sharply divided in color, with a violet-purple front half and a golden-yellow rear half, forming loose groups above reef structure.
reef
Apache Trout
The Apache trout is a golden-yellow native trout found only in the high-elevation streams of Arizona's White Mountains, and it is the state fish of Arizona following decades of conservation recovery efforts.
freshwater
Tiger Barb
A small, deep-bodied freshwater fish marked with four bold black vertical bars across a golden-orange body, often seen darting energetically in tight schools.
freshwater
Parkinson's Rainbowfish
A large, robust rainbowfish from the eastern rivers of Papua New Guinea, with mature males displaying a striking golden-orange rear half contrasting with a bluish-silver front.
freshwater
Gila Trout
The Gila trout is a rare golden-hued native trout restricted to a handful of remote headwater streams in New Mexico and Arizona, and remains one of North America's most range-limited trout species.
freshwater
Poor Cod
The poor cod is a small, golden-brown Gadidae common around rocky reefs and harbors of the northeastern Atlantic and Mediterranean, identified by its short chin barbel and dark pectoral-fin blotch.
saltwater
Royal Gramma
The Royal Gramma is a small Caribbean reef fish with a sharp two-tone body: violet-purple in front, golden yellow behind. It shelters upside down in caves and crevices along steep reef walls.
reef
Brown Trout
A golden-brown salmonid native to Europe and western Asia, marked by dark and reddish spots along its body, now widely introduced across the globe. It favors cool, clear rivers, streams, and lakes.
freshwater
Yellow Perch
A golden-yellow freshwater fish marked by dark vertical bars and orange-tinged fins, native to lakes and slow-moving rivers across North America. It is one of the most abundant and widely recognized panfish species.
freshwater
Yellowtail Snapper
A slender Caribbean reef fish with a bold golden stripe running from snout to its deeply forked yellow tail. Often seen swimming in open water above reefs rather than hugging the bottom.
reef
Yellowbelly Damselfish
A small blue-grey damselfish with a bright yellow underside, found sheltering around coral and rubble on shallow reefs of the western Pacific.
reef
Lyretail Anthias
The lyretail anthias is a small, vividly orange-pink reef fish that forms large, colorful schools over coral drop-offs, with males sporting an elongated lyre-shaped tail.
reefAnthias
A small, brightly colored basslet that forms large shimmering schools over reef drop-offs, feeding on drifting plankton.
reef
Whitecheek Tang
A dark brown to black surgeonfish set apart by a bright white patch beneath the eye and a narrow orange tail band, commonly seen grazing rubble zones on Indo-Pacific reefs.
reef
Green Terror
A robust, iridescent-green South American cichlid whose bold turquoise spangling and feisty temperament earned it its combative common name.
freshwater
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
Congo Tetra
A large, iridescent tetra from the Congo River basin, with shimmering blue-violet-gold flanks and, in males, a distinctive flowing, frayed tail fin.
freshwaterGreen Chromis
The Green Chromis is a small, shimmering blue-green damselfish that forms large schools hovering above branching coral heads on Indo-Pacific reefs.
reef