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.
Blue Damselfish
A small, brilliant electric-blue damselfish that fiercely defends its patch of shallow Indo-Pacific reef.
reef
Yellowtail Blue Damselfish
A small, vividly electric-blue damselfish with a sharply contrasting bright yellow tail, common on shallow reef flats and lagoons of the western Pacific.
reef
Powder Blue Tang
A vivid powder-blue surgeonfish with a black facial mask and white throat patch, common on shallow reef edges across the Indian Ocean.
reef
Camouflage Grouper
A stocky, well-camouflaged Indo-Pacific grouper with a mottled brown-and-tan pattern of hexagonal blotches that helps it blend seamlessly into reef substrate.
reef
Cabezon
The cabezon is the largest sculpin of the North American Pacific coast, a heavily mottled, scaleless ambush predator that blends into rocky reef and kelp habitat.
saltwater
Picasso Triggerfish
A boldly patterned triggerfish with geometric blue, yellow, and black markings, common on shallow Indo-Pacific reef flats.
reef
Yellowfin Grouper
The yellowfin grouper is a reddish-brown to olive reef grouper of the Caribbean and western Atlantic, easily recognized by the bright yellow patch on its pectoral fins.
reef
Spotfin Lionfish
A true lionfish with elongated, spotted pectoral fin rays and reddish-brown bars, found resting in reef crevices by day across the Indo-Pacific.
reef
Leopard Coral Grouper
A striking Indo-Pacific reef predator with a reddish-orange body densely covered in small electric-blue spots, giving it a leopard-like pattern.
reef
Guineafowl Pufferfish
The Guineafowl Pufferfish is a variably colored reef puffer, most often dark brown to black with small white spots, resembling the plumage of a guineafowl bird.
reef
China Rockfish
Easily recognized by a bold yellow stripe running down its black body, the China rockfish is a small, secretive reef dweller of the northeastern Pacific.
saltwater
Blue-spotted Shark
A small, slender nocturnal reef shark covered in vivid blue spots and dark saddle bands, popular in home aquariums.
reef
Queen Parrotfish
A blue-green Caribbean parrotfish with a bold yellow band across the snout, commonly seen grazing algae along reef slopes and flats throughout the region.
reef
Lined Surgeonfish
A boldly striped blue, black, and yellow tang that fiercely defends algal-turf patches on shallow, wave-exposed reef crests across the Indo-Pacific.
reef
French Angelfish
A large Caribbean reef angelfish with a jet-black body edged in bright yellow on each scale, giving adults a shimmering, chain-mail-like appearance.
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
Clown Tang
A vividly striped surgeonfish with alternating blue, black, and yellow horizontal lines, one of the most aggressively territorial herbivores on shallow Indo-Pacific reef crests.
reef
Blue Devil Damselfish
A small, intensely electric-blue damselfish common on shallow Indo-Pacific reef flats, with males developing an orange-tinted tail during breeding season.
reef
Schoolmaster Snapper
The schoolmaster snapper is a yellow-tinged reef snapper of the western Atlantic, recognized by faint pale bars and a blue line beneath the eye, common around reefs, mangroves, and seagrass.
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
Niger Triggerfish
A deep blue-green triggerfish with reddish teeth and a trailing crescent tail, often seen feeding on plankton above reef slopes.
reef
Naso Tang
A large surgeonfish with bright orange lips and a yellow tail-base marking, grazing algae along Indo-Pacific reef slopes.
reef
Bicolor Angelfish
A vivid dwarf angelfish split sharply into a bright yellow front half and deep blue rear half, a favorite of reef aquarists.
reef
Tiger Grouper
The tiger grouper is a slender reef grouper of the tropical western Atlantic marked with diagonal dark bars on a pale to reddish-brown body, resembling tiger-like striping.
reef