Fish Identifier

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.

Lake Wanam Rainbowfish

Lake Wanam Rainbowfish

A deep-bodied rainbowfish endemic to the small crater Lake Wanam in Papua New Guinea, with males showing rich orange-red body coloration.

freshwater
Leopard Coral Grouper

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
Green Tiger Barb

Green Tiger Barb

A green-toned color variant of the popular Tiger Barb, retaining the same bold dark bands and active, schooling nature as the classic orange form.

freshwater
Yellow Seahorse

Yellow Seahorse

A widespread and highly variable Indo-Pacific seahorse, commonly seen in bright yellow though also occurring in black, orange, or mottled brown, found from mangrove estuaries to coral reefs.

reef
Copperband Butterflyfish

Copperband Butterflyfish

The Copperband Butterflyfish has a silvery-white body banded in copper-orange and a long, slender snout used to probe crevices, along with a black eyespot near the tail that helps confuse predators.

reef
Midas Cichlid

Midas Cichlid

A large, variably colored Central American cichlid, ranging from mottled gray to solid gold-orange, known for its bold and often combative nature.

freshwater
Firefish Goby

Firefish Goby

A slender white-and-orange reef fish with a tall, flag-like first dorsal fin, often seen hovering near its burrow on sandy slopes.

reef
Eastern Rainbowfish

Eastern Rainbowfish

A widespread eastern Australian subspecies of the splendid rainbowfish complex, showing blue-green to golden flanks and yellow-orange fins along coastal Queensland rivers.

freshwater
Celestial Pearl Danio

Celestial Pearl Danio

A tiny, jewel-like danio with a dark blue body covered in pearly spots and orange-red banded fins, discovered only in the mid-2000s in Myanmar.

freshwater
Blue Devil Damselfish

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
Boeseman's Rainbowfish

Boeseman's Rainbowfish

Boeseman's Rainbowfish is a vividly two-toned freshwater fish from New Guinea, with a blue-violet front half and a fiery orange-yellow rear half.

freshwater
Pumpkinseed

Pumpkinseed

A small, brilliantly colored sunfish with an orange-spotted body, blue-green facial streaks, and a distinctive red spot on the black ear flap, common in weedy ponds and lakes of eastern North America.

freshwater
Golden Trout

Golden Trout

One of the most brilliantly colored freshwater fish in North America, native to a small area of high-elevation streams in California's Sierra Nevada, marked with vivid golden-orange flanks and crimson stripes.

freshwater
Peacock Wrasse

Peacock Wrasse

A colorful Mediterranean and eastern Atlantic wrasse whose males display vivid green-blue bodies with orange spots and blue facial stripes, commonly seen darting among rocky reefs and seagrass beds.

saltwater
Ocellaris Clownfish

Ocellaris Clownfish

A small orange-and-white clownfish that lives in a mutualistic partnership with sea anemones on Indo-Pacific reefs. It is one of the most familiar reef fish species due to its bright coloring and anemone-dwelling behavior.

reef
Longsnout Seahorse

Longsnout Seahorse

A slender, long-snouted seahorse native to the western Atlantic that anchors itself to soft corals and mangrove roots with its prehensile tail. It comes in a wide range of colors, from yellow and orange to red and black.

reef
Two-Banded Clownfish

Two-Banded Clownfish

An orange anemonefish with two broad white bars, the characteristic clownfish of the Red Sea and adjacent Gulf of Aden reefs, always found sheltering among host anemones.

reef
Harlequin Rasbora

Harlequin Rasbora

A small, deep-bodied freshwater fish with a coppery-orange body and a distinctive black triangular patch covering the rear half, native to the blackwater streams of Southeast Asia.

freshwater
Grunt Sculpin

Grunt Sculpin

A small, oddly shaped sculpin with an elongated, beak-like snout and orange-and-brown striped body, famous for mimicking the appearance of an empty giant acorn barnacle shell.

saltwater
Catalina Goby

Catalina Goby

A tiny, vividly colored goby with electric blue bands over a red-orange body, found perched on rocky reefs and kelp holdfasts off the Pacific coast.

reef
Six Line Wrasse

Six Line Wrasse

The Six Line Wrasse is a small, brightly colored reef fish with six narrow orange stripes running along a purple-blue body and a black spot near the tail, often darting through coral rubble.

reef
Tiger Barb

Tiger Barb

A small, deep-bodied freshwater fish marked with four bold black vertical bars across a golden-orange body, often seen darting energetically in tight schools.

freshwater
Redlip Blenny

Redlip Blenny

A dark, elongated blenny with a distinctive bright red-orange lip, common on shallow Caribbean and western Atlantic reef edges where it grazes algae from rock and coral.

reef
Rainbow Goby

Rainbow Goby

A tiny, iridescent freshwater goby whose males display shimmering blue-green and orange coloration, found clinging to rocks in fast mountain streams across the Indo-Pacific.

freshwater