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.

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
Wideband Clownfish

Wideband Clownfish

A dark brown-to-black anemonefish with a single thick white band across the mid-body, restricted to temperate-edge reefs around Lord Howe Island, eastern Australia, and New Caledonia.

reef
Whitecheek Tang

Whitecheek Tang

A dark brown to black surgeonfish set apart by a bright white patch beneath the eye and a narrow orange tail band, commonly seen grazing rubble zones on Indo-Pacific reefs.

reef
Poor Cod

Poor Cod

The poor cod is a small, golden-brown Gadidae common around rocky reefs and harbors of the northeastern Atlantic and Mediterranean, identified by its short chin barbel and dark pectoral-fin blotch.

saltwater
Eyestripe Surgeonfish

Eyestripe Surgeonfish

An Indo-Pacific tang with fine blue pencil-lines over a yellow-brown body and a distinctive yellow stripe through the eye; notably long-lived, reaching nearly 30 years.

reef
Whitespotted Moray

Whitespotted Moray

A brown moray eel densely covered in small, evenly spaced white spots, commonly seen with its head poking from crevices on shallow Indo-Pacific coral reefs.

reef
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
Snakeskin Gourami

Snakeskin Gourami

A large, elongated Southeast Asian gourami named for the diagonal, snakeskin-like striping pattern across its olive-brown flanks, widely distributed through floodplain and canal habitats.

freshwater
Mottled Sculpin

Mottled Sculpin

A small, mottled brown freshwater sculpin found in clear, cold streams and lakes across North America, identified by its large head, wide pectoral fins, and lack of scales.

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
Clarkii Clownfish

Clarkii Clownfish

A hardy, variably colored anemonefish found across the widest range of any clownfish species, typically dark brown-orange with three white bars, and known for hosting in many different anemone species.

reef
Bay Pipefish

Bay Pipefish

The bay pipefish is a long, slender pipefish common in eelgrass beds and estuaries along the Pacific coast of North America, closely matching the green-brown color and shape of the eelgrass blades it hides among.

brackish
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
Red Hake

Red Hake

Red hake is a slender, tapering groundfish of the western North Atlantic shelf, identified by its reddish-brown color, two dorsal fins, and long thread-like pelvic fin filaments.

saltwater
Lawnmower Blenny

Lawnmower Blenny

The Lawnmower Blenny is a mottled brown-and-cream reef fish with a stocky body and comb-like teeth, known for grazing algae off rock and rubble surfaces on shallow Indo-Pacific reefs.

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
Lemon Shark

Lemon Shark

A stocky, yellow-brown coastal shark named for its sandy coloration, recognized by two nearly equal-sized dorsal fins, common in shallow mangrove and reef habitats of the western Atlantic and eastern Pacific.

cartilaginous
Kelp Bass

Kelp Bass

The kelp bass is a mottled olive-brown temperate reef fish closely tied to kelp forests along the eastern Pacific coast, often seen hovering near kelp fronds and rocky structure.

saltwater
Chocolate Australe

Chocolate Australe

A brown color form of the lyretail panchax, a small West-Central African killifish with fine carmine spotting and an elongated lyre-shaped tail. It lives in shaded forest streams near Gabon's coast.

freshwater
Basking Shark

Basking Shark

The world's second-largest fish, a massive gray-brown filter feeder recognized by its enormous gaping mouth and huge gill slits, often seen basking at the surface in cool temperate seas.

cartilaginous
Banded Pipefish

Banded Pipefish

The banded pipefish is a slender reef fish patterned with bold reddish-brown and white rings along its entire body, ending in a fan-shaped yellow tail fin marked with a dark spot.

reef
Uaru

Uaru

A large, deep-bodied Amazonian cichlid known for a dramatic color change with age, from a striped juvenile pattern to a mottled brown adult, and for a rare parenting behavior in which parents feed their fry a body-slime secretion.

freshwater
Green Wrasse

Green Wrasse

A slender Mediterranean wrasse, often green to brownish, associated with seagrass meadows and rocky reefs.

saltwater
Striped Sea Robin

Striped Sea Robin

A bottom-dwelling northwestern Atlantic fish with an armored head and wing-like pectoral fins, the Striped Sea Robin shows bold dark diagonal bars along its brownish body.

saltwater