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.
Lemonpeel Angelfish
A small, bright yellow Pacific dwarf angelfish with a blue ring around the eye and blue edging on the fins.
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
Redband Parrotfish
A small, variable Caribbean parrotfish; terminal males are green with a red band and a distinctive yellow-and-black shoulder spot.
reef
Ornate Butterflyfish
A showy Indo-Pacific butterflyfish with diagonal orange stripes across a white body and black-and-yellow face bands.
reef
Bumblebee Fish
A tiny, boldly banded goby popular in brackish aquariums, named for its wasp-like black-and-yellow stripes.
brackish
Snowflake Moray
The Snowflake Moray is a mottled black-and-yellow reef eel with blunt, crushing teeth adapted for feeding on crabs and shrimp rather than fish.
reef
Pristella Tetra
A translucent, pale-golden tetra whose semi-transparent body reveals internal structures, marked by distinctive black-and-yellow fin patches.
freshwater
Florida Pompano
A deep-bodied, silvery fish with a forked tail and yellow-tinged fins, common in sandy surf zones along the western Atlantic coast.
saltwater
Butterfly Splitfin
A striking Mexican livebearer known for its black body, yellow-orange tail band, and unusual reproductive biology shared with other goodeids.
freshwater
Allen's Damselfish
A slender, iridescent blue damselfish with a bright yellow tail, native to reefs of the Coral Triangle and known for its striking two-tone coloration.
reef
Spanish Hogfish
A colorful western-Atlantic wrasse with a purple-blue upper front and yellow rear, and a well-known juvenile cleaning habit.
reef
Auriga Butterflyfish
A very common Indo-Pacific butterflyfish with cross-hatched white body, yellow rear, and often a trailing dorsal filament.
reef
Neon Damselfish
A small, brilliant iridescent blue damselfish with a touch of yellow on the tail, commonly seen in loose groups over rubble and coral on Indo-Pacific reefs.
reef
Forktail Rainbowfish
A tiny, colorful blue-eye rainbowfish from New Guinea named for its distinctively forked, yellow-edged tail fin.
freshwater
Bluebanded Sea Bream
An Indo-Pacific reef fish, actually a snapper, marked by diagonal electric-blue bands on yellow and trailing fin filaments in adults.
reef
Peacock Cichlid
A brilliantly colored Lake Malawi cichlid whose males flash iridescent blues, oranges, and yellows to attract mates and rivals alike.
freshwater
Queen Triggerfish
The Queen Triggerfish is a strikingly colorful Atlantic reef fish, marked by blue facial lines, a yellow-tinged tail, and elongated dorsal and tail fin filaments.
reef
Mono Argentus
A flat, disc-shaped, mirror-silver fish with tall yellow-tinged fins, commonly seen schooling in brackish estuaries and harbors across the Indo-Pacific.
brackish
Mbu Pufferfish
The Mbu Pufferfish is the largest freshwater pufferfish species, native to Central Africa's Congo River system and known for its maze-like yellow body markings.
freshwater
Blackspotted Puffer
The Blackspotted Puffer, also called the dog-faced puffer, is a small reef pufferfish with a gray, yellow, or blue body scattered with a few large dark spots.
reef
Madagascar Rainbowfish
An elongated, silvery rainbowfish from Madagascar's eastern rainforest rivers, recognized by its bold black-edged yellow and red fin markings.
freshwater
Celebes Rainbowfish
A slender, sail-finned rainbowfish endemic to Sulawesi, easily recognized by its tall, translucent dorsal and anal fins edged in black and yellow.
freshwater
Threadfin Butterflyfish
A widespread Indo-Pacific butterflyfish identified by a pale yellow body, dark diagonal stripes, a black eye-band, and a distinctive trailing filament on the rear dorsal fin.
reef