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
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.
reefWhitespotted 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.
reefStar 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.
reefValentini 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.
reefImmaculate 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.
saltwaterBlackspotted 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.
reefGreen 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.
brackishFigure-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.
brackishGolden 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.
freshwaterGolden Trevally
A bright golden-yellow jack, often banded as a juvenile, found around coral reefs and lagoons throughout the Indo-Pacific.
reefGolden 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.
freshwaterGolden 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.
freshwaterStars 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.
reefGolden 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.
freshwaterGold 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.
freshwaterReticulated 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.
brackishMbu 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.
freshwaterDwarf 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.
freshwaterPufferfish
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.
reefAuratus 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.
freshwaterFugu
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.
saltwaterIde
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.
freshwaterConey
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.
reefGold 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