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.
Clown Knifefish
A knife-shaped Southeast Asian fish with a distinctive row of large black eyespots along its rear body and a long, continuous ventral fin.
freshwater
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.
reef
Coral Hind
A vivid orange-red Indo-Pacific grouper scattered with pale iridescent-blue spots, commonly seen resting near coral heads and reef ledges.
reef
Island Trevally
The Island Trevally is a deep-bodied jack found around Indo-Pacific reefs, recognized by faint yellow-orange spots scattered along its silvery flanks and a forked yellow tail.
reef
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
Pygmy Angelfish
A tiny deep-blue western-Atlantic dwarf angelfish with a bright yellow-orange face.
reef
Pearlscale Butterflyfish
A western-Pacific butterflyfish with a cross-hatched pearly body and a bright orange rear and tail.
reefCorvina
A large silvery weakfish native to the Gulf of California, best known by its bright orange mouth lining and countershaded body.
saltwater
Raccoon Butterflyfish
A round, orange-and-white butterflyfish with a black mask-like eye band, named for its raccoon-like facial markings.
reef
Firemouth Cichlid
A Central American cichlid famous for the fiery red-orange throat it flares open to intimidate rivals during territorial disputes.
freshwater
White Grunt
A stout, silvery reef fish with a bright orange-red mouth lining, known for the grinding sound it makes with its pharyngeal teeth.
reef
Sterba's Corydoras
A popular armored catfish with a spotted body and bright orange pectoral fins, native to river tributaries along the Brazil-Bolivia border.
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
Peacock Cichlid
A brilliantly colored Lake Malawi cichlid whose males flash iridescent blues, oranges, and yellows to attract mates and rivals alike.
freshwater
Naso Tang
A large surgeonfish with bright orange lips and a yellow tail-base marking, grazing algae along Indo-Pacific reef slopes.
reef
Redtail Catfish
A large South American river catfish easily recognized by its dark body, cream underside, and vivid orange-red tail fin.
freshwater
Glowlight Tetra
A slender, translucent tetra marked by a bright iridescent orange-red stripe running the length of its body, giving it a luminous glow effect.
freshwater
European Plaice
European plaice is a right-eyed flatfish easily recognized by the vivid orange spots scattered across its smooth brown upper side.
saltwater
Chalk Bass
A tiny bicolored sea bass with a lavender-blue head and orange rear body, often seen darting over Caribbean rubble reefs.
reef
Common Roach
A widespread European freshwater fish with a silvery body and distinctive red-orange fins, forming large shoals in slow rivers, lakes, and canals.
freshwater
Butterfly Splitfin
A striking Mexican livebearer known for its black body, yellow-orange tail band, and unusual reproductive biology shared with other goodeids.
freshwater
Potter's Angelfish
A small Hawaiian endemic dwarf angelfish, rusty orange with blue-grey and fine wavy blue lines.
reef
Majestic Angelfish
A boldly patterned western-Pacific angelfish with orange body, blue-edged bands, and a blue lower body.
reef
Vermilion Rockfish
A vivid orange-red rockfish of Pacific coast reefs, often called 'red snapper' informally by anglers despite being unrelated to true snappers.
saltwater