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.
Redbanded Seabream
The redbanded seabream is a deep-bodied, pinkish-red sparid marked by four to five dark vertical bands, found over rocky and sandy bottoms in the eastern Atlantic and Mediterranean.
saltwater
Pacific Red Snapper
A bright reddish-pink snapper of rocky reefs along the Eastern Pacific coast from Mexico to Peru, closely resembling its Atlantic namesake but found in a different ocean.
reef
Red Rainbowfish
A striking, deep-bodied rainbowfish endemic to Lake Sentani in Papua, New Guinea, with adult males turning an intense salmon-red as they mature.
freshwater
Redear Sunfish
A deep-bodied sunfish named for the bright red-orange margin on its black ear flap, notable for its specialized diet of snails and other mollusks in warm southern lakes and ponds.
freshwater
Redlip Halfbeak
A slender coastal halfbeak with a needle-thin lower jaw tipped in vivid red, gliding in small schools over shallow tropical Indo-Pacific waters.
saltwater
Salmon-red Rainbowfish
A deep-bodied rainbowfish endemic to Lake Sentani in Papua, Indonesia, where mature males develop a vivid overall salmon-red to orange coloration.
freshwaterTwo-spot Red Snapper
The two-spot red snapper, or bohar snapper, is a large, deep red Indo-Pacific reef predator, sometimes showing two pale saddle spots on the back, and an important predator on coral reef slopes.
reef
Hi Fin Red Banded Goby
A tiny white goby marked with thin red diagonal bands and a tall, flag-like yellow dorsal fin, seen hovering above its burrow that it shares with a snapping shrimp.
reef
Redband Parrotfish
A small, variable Caribbean parrotfish; terminal males are green with a red band and a distinctive yellow-and-black shoulder spot.
reef
Redtooth Triggerfish
The Redtooth Triggerfish is a deep blue-green triggerfish often seen schooling in large numbers over reef drop-offs, feeding on plankton in the open water column.
reef
Bloodfin Tetra
A slim silvery tetra with bright red fins, prized as a hardy, active schooling fish that tolerates cooler water than most tropicals.
freshwater
Neon Tetra
A tiny schooling characin from Amazonian blackwater streams, instantly recognized by its glowing blue-green stripe and bright red lower body, one of the most popular aquarium fish ever kept.
freshwater
Flame Tetra
A Rio de Janeiro coastal stream characin with a graduated flame-like color pattern from silver at the head to red-orange at the tail.
freshwater
Rosy Barb
A hardy, active barb whose silvery body flushes rosy pink to red during breeding condition, especially pronounced in males.
freshwater
Pacu
A large Amazon and Orinoco characin related to piranhas but herbivorous, identified by its reddish belly and flattened, fruit-crushing teeth.
freshwater
Achilles Tang
A striking black surgeonfish with a bold orange-red teardrop marking near its tail and matching scalpel-like tail spine. It inhabits high-surf reef zones across the Pacific.
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
Rainbow Trout
A popular salmonid native to Pacific-drainage rivers of North America and Asia, known for its silvery body, dark spotting, and the broad pink-red stripe that gives the species its name.
freshwater
Thick-lipped Gourami
A small, hardy Myanmar labyrinth fish closely related to the Dwarf Gourami, distinguished by its noticeably thickened lips and reddish-blue diagonal banding in breeding males.
freshwater
Rummy-nose Tetra
A small schooling Amazonian tetra known for its bright red-orange snout and a bold black-and-white striped tail fin, prized in aquariums for its striking coloration and tight shoaling behavior.
freshwater
Sockeye Salmon
A Pacific salmon renowned for its brilliant crimson spawning coloration and strong dependence on lake habitat during its freshwater juvenile stage.
freshwater
Twinspot Wrasse
A large Indo-Pacific wrasse; juveniles are white with two red-and-black spots, while old males become bulky and greenish with a forehead hump.
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
Rummynose Tetra
A slender silvery tetra known for its bright red-orange snout and a bold black-and-white striped tail, prized for tight, synchronized shoaling.
freshwater