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
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
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
Wolf Cichlid
One of the largest Central American cichlids, this powerful predator combines vivid turquoise and orange coloration with formidable jaws.
freshwater