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
A slender, fast-swimming mackerel of the western Atlantic, easily identified by rows of bright yellow-gold spots scattered along its silvery flanks.
pelagicNarrow-barred Spanish Mackerel
A large, fast-swimming mackerel of the Indo-Pacific marked by numerous narrow, wavy dark bars running down its silvery sides.
pelagicCero 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.
pelagicAtlantic 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.
pelagicSpanish 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.
pelagicSpanish Hogfish
A colorful western-Atlantic wrasse with a purple-blue upper front and yellow rear, and a well-known juvenile cleaning habit.
reefSpanish 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.
reefPacific 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.
pelagicJack 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.
pelagicKing Mackerel
A large, streamlined mackerel of the warm western Atlantic, prized as a fast offshore game fish and recognizable by its silvery, unmarked body.
pelagicFrigate Mackerel
A small tuna-like fish with a distinctive dark, wavy tiger-stripe pattern on its upper back, found in warm oceanic waters worldwide.
pelagicChub 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.
pelagicPacific 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.
pelagicRainbow 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.
pelagicPacific 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.
pelagicKawakawa
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.
pelagicRed 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.
saltwaterAtlantic Bonito
A streamlined, fast-swimming relative of tuna and mackerel, marked by dark oblique stripes running across its steel-blue back.
pelagicSalmon 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.
pelagicBonito
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.
pelagicLittle 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.
pelagicAtlantic Salmon
An iconic anadromous fish of the North Atlantic, born in cold rivers, maturing at sea, and returning to natal streams to spawn.
freshwaterBlack 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.
saltwaterChum Salmon
A large, widely distributed Pacific salmon known for the bold calico-patterned stripes and blotches that spawning adults develop along their flanks.
freshwater