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.

Guineafowl Pufferfish

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
Whitespotted Puffer

Whitespotted Puffer

A common Indo-Pacific reef puffer with a dark olive-brown body scattered with small white spots and distinctive dark rings around its eyes, gills, and pectoral fin bases.

reef
Star Puffer

Star Puffer

One of the largest pufferfish species, the star puffer is covered edge-to-edge in small black spots and roams Indo-Pacific reefs and lagoons feeding on sponges, tunicates, and hard-shelled prey.

reef
Valentini Puffer

Valentini Puffer

The Valentini Puffer is a small reef puffer marked by two bold black saddle patches on a white-and-tan body, a pattern also mimicked by an unrelated filefish.

reef
Immaculate Puffer

Immaculate Puffer

A plain, unmarked Indo-Pacific puffer with a smooth grayish-brown body, subtle pale belly, and dark rings around the eyes, often found over sandy and muddy coastal habitats.

saltwater
Blackspotted Puffer

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
Green Spotted Puffer

Green Spotted Puffer

A small, popular aquarium puffer with a bright green, black-spotted back and white belly, native to brackish estuaries and mangrove creeks across Southeast Asia.

brackish
Figure-Eight Puffer

Figure-Eight Puffer

A small brackish-water pufferfish named for the bold black figure-eight-shaped markings across its yellow-green back. Like other puffers, it can inflate its body with water as a defense against predators.

brackish
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
Golden Trevally

Golden Trevally

A bright golden-yellow jack, often banded as a juvenile, found around coral reefs and lagoons throughout the Indo-Pacific.

reef
Golden Topminnow

Golden Topminnow

A small southeastern U.S. killifish whose males show golden-yellow coloring with iridescent blue-green spotting. It favors quiet, well-vegetated ponds, swamps, and slow backwaters.

freshwater
Golden Shiner

Golden Shiner

A slender, deep-bodied North American minnow with brassy golden-silver sides, the golden shiner is among the continent's most widely used baitfish, thriving in weedy ponds and slow-moving water.

freshwater
Stars and Stripes Puffer

Stars and Stripes Puffer

A widespread Indo-Pacific puffer, also called the whitespotted puffer, marked with fine white spots on an olive-brown body and dark rings encircling the eyes and pectoral fin bases.

reef
Golden Wonder Killifish

Golden Wonder Killifish

A golden-orange color form of the striped panchax, this hardy topminnow patrols the water's surface hunting insects and small fish in South Asian wetlands.

freshwater
Gold Gourami

Gold Gourami

A selectively bred, solid golden-yellow color variety of the Three Spot Gourami, developed for the aquarium trade and sharing the same hardy, adaptable biology as its wild-type relative.

freshwater
Reticulated Pufferfish

Reticulated Pufferfish

A puffer of Indo-Pacific mangroves and estuaries, patterned with fine dark reticulated lines over a pale body and often marked with a network of interconnected markings resembling a map.

brackish
Mbu Pufferfish

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
Dwarf Pufferfish

Dwarf Pufferfish

The Dwarf Pufferfish is one of the world's smallest puffers, a freshwater species from southern India prized for its tiny size and expressive, alert behavior.

freshwater
Pufferfish

Pufferfish

A slow-swimming reef fish famous for inflating its body into a spiny ball when threatened, using a fused beak-like set of teeth to feed on hard-shelled invertebrates and algae.

reef
Auratus Cichlid

Auratus Cichlid

A small, strikingly striped mbuna from Lake Malawi, the auratus cichlid reverses its coloration between sexes as it matures, with golden juveniles giving way to dark, aggressive adult males.

freshwater
Fugu

Fugu

The Tiger Puffer, an East Asian coastal pufferfish capable of rapid inflation, with internal organs containing the potent biological toxin tetrodotoxin as a natural defense.

saltwater
Ide

Ide

A robust, silvery cyprinid of large European rivers and lakes, the ide (commonly bred as the golden 'orfe') forms active surface shoals and is a widely stocked ornamental pond fish worldwide.

freshwater
Coney

Coney

The coney is a small, color-variable reef grouper of the tropical western Atlantic, occurring in reddish-brown, bicolor, or bright golden-yellow forms, always marked with fine blue spotting.

reef
Gold Dust Molly

Gold Dust Molly

A selectively bred molly variety combining a golden-yellow base color with fine black speckling, developed in the aquarium trade from wild Poecilia stock.

freshwater