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.

Spanish Mackerel

Spanish Mackerel

A slender, fast-swimming mackerel of the western Atlantic, easily identified by rows of bright yellow-gold spots scattered along its silvery flanks.

pelagic
Narrow-barred Spanish Mackerel

Narrow-barred Spanish Mackerel

A large, fast-swimming mackerel of the Indo-Pacific marked by numerous narrow, wavy dark bars running down its silvery sides.

pelagic
Cero Mackerel

Cero Mackerel

A slender, fast-swimming mackerel of Caribbean and western Atlantic waters, identified by a bronze-yellow stripe and rows of yellow-orange spots along its silvery sides.

pelagic
Atlantic Mackerel

Atlantic Mackerel

A fast-swimming schooling fish with iridescent blue-green wavy stripes across its back, found in cold and temperate waters on both sides of the North Atlantic.

pelagic
Spanish Sardine

Spanish Sardine

A schooling pelagic fish found throughout warm Atlantic and Mediterranean waters, the Spanish Sardine is larger than the related European Sardine and forms an important forage species across its wide tropical to subtropical range.

pelagic
Spanish Hogfish

Spanish Hogfish

A colorful western-Atlantic wrasse with a purple-blue upper front and yellow rear, and a well-known juvenile cleaning habit.

reef
Spanish Grunt

Spanish Grunt

The Spanish grunt is a deep-bodied, silvery-yellow reef grunt of the western Atlantic and Caribbean, marked by dark scale rows and a large mouth used to crush hard-shelled prey.

reef
Pacific Mackerel

Pacific Mackerel

A schooling pelagic fish of the eastern Pacific with an iridescent blue-green back marked by irregular dark bars and scattered spots along its lower flanks.

pelagic

Jack Mackerel

A slender, schooling temperate-water jack found off southern Australia and New Zealand, identifiable by its bony lateral scutes and vital role as forage for larger ocean predators.

pelagic
King Mackerel

King Mackerel

A large, streamlined mackerel of the warm western Atlantic, prized as a fast offshore game fish and recognizable by its silvery, unmarked body.

pelagic
Frigate Mackerel

Frigate Mackerel

A small tuna-like fish with a distinctive dark, wavy tiger-stripe pattern on its upper back, found in warm oceanic waters worldwide.

pelagic
Chub Mackerel

Chub Mackerel

A widespread schooling mackerel found in temperate and subtropical seas worldwide, marked by irregular dark bars on its back and faint spots along its lower flanks.

pelagic
Pacific Jack Mackerel

Pacific Jack Mackerel

A silvery, schooling open-water fish of the eastern Pacific, marked by a full ridge of bony scutes along its sides and an ecologically vital role as forage for larger predators.

pelagic
Rainbow Runner

Rainbow Runner

A slender, torpedo-bodied jack with two vivid blue-green stripes, found roaming warm oceans worldwide, often trailing larger pelagic fish like tuna and sharks.

pelagic
Pacific Saury

Pacific Saury

A slender, silvery, beaked schooling fish of the temperate North Pacific, closely related to needlefish, marked by a row of small finlets near its tail.

pelagic
Kawakawa

Kawakawa

A compact, fast schooling tuna of the Indo-Pacific with a wavy dark pattern on its back and several distinctive dark spots between the pectoral and pelvic fins.

pelagic
Red Bream

Red Bream

The red bream, or blackspot seabream, is a pink-tinged sparid with a dark shoulder spot that lives over rocky and sandy bottoms in the northeastern Atlantic and Mediterranean.

saltwater
Atlantic Bonito

Atlantic Bonito

A streamlined, fast-swimming relative of tuna and mackerel, marked by dark oblique stripes running across its steel-blue back.

pelagic
Salmon Shark

Salmon Shark

A powerful, warm-bodied mackerel shark closely related to the Porbeagle, built for speed in the cold North Pacific and named for its preference for salmon.

pelagic
Bonito

Bonito

A fast, streamlined relative of the tunas and mackerels, marked by bold dark diagonal stripes across its upper back, found in schools across temperate and warm seas.

pelagic
Little Tunny

Little Tunny

A speedy, hard-fighting mackerel relative marked by distinctive wavy dark markings on its back, found in warm coastal and offshore waters of the Atlantic and Mediterranean.

pelagic
Atlantic Salmon

Atlantic Salmon

An iconic anadromous fish of the North Atlantic, born in cold rivers, maturing at sea, and returning to natal streams to spawn.

freshwater
Black Sea Bream

Black Sea Bream

A deep-bodied porgy of the Mediterranean and Eastern Atlantic, notable for males that excavate and guard nest depressions on the seabed during spawning.

saltwater
Chum Salmon

Chum Salmon

A large, widely distributed Pacific salmon known for the bold calico-patterned stripes and blotches that spawning adults develop along their flanks.

freshwater