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.
Banded Drum
A small, deep-bodied drum from the western Atlantic, distinguished by faint vertical bars crossing its silvery, high-backed body.
saltwater
Bar Jack
A sleek, blue-green jack with a dark stripe along its back and a black-and-white striped tail, common on Caribbean and western Atlantic reefs.
reef
Zebra Moray
The Zebra Moray is a striped Indo-Pacific reef eel with blunt, peg-like teeth specialized for crushing crabs, mollusks, and sea urchins.
reefTiger Trout
Tiger trout are a sterile hybrid between brown trout and brook trout, prized by anglers for their striking maze-like markings and aggressive feeding habits.
freshwater
Warmouth
A stocky, big-mouthed sunfish with red eyes and dark cheek streaks, at home in weedy, sluggish waters and swamps of the eastern United States.
freshwater
Zebra Shark
A slender, docile reef shark whose striped juveniles transform into leopard-like spotted adults, unmistakable due to its very long tail.
reef
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
Vermilion Rockfish
A vivid orange-red rockfish of Pacific coast reefs, often called 'red snapper' informally by anglers despite being unrelated to true snappers.
saltwaterFreshwater Goby
A small stream-dwelling goby of East Asia, unusual among gobies for living its whole life cycle in fresh or amphidromous river systems.
freshwater
Threespot Dascyllus
A robust black-bodied damselfish bearing three white spots in youth, one of the most widespread dascyllus species on Indo-Pacific reefs.
reef
Speckled Moray
A pale, densely speckled moray of Indo-Pacific reef flats, its white to cream body peppered with small black spots that thicken toward the tail.
reef
Snake Eel
Snake Eels are burrowing eels with a hardened, finless tail tip; the banded Harlequin Snake Eel closely mimics the pattern of a venomous sea snake for protection.
reef
Silverstripe Halfbeak
A slender halfbeak marked by a bright silver lateral stripe, found skimming the surface of tropical Indo-Pacific reef lagoons.
reef
Southern Kingfish
A slender, uniformly silvery drum common in surf zones from the mid-Atlantic to the Gulf of Mexico, lacking the bold barring of its relatives.
saltwater
Saddleback Clownfish
A dark, saddle-marked clownfish that shelters among the tentacles of large sea anemones on sandy reef slopes and lagoons across the Indo-Pacific.
reef
Red Phantom Tetra
A blackwater Orinoco characin with a rosy translucent body and bold black shoulder mark, known for its tall, flag-like dorsal fin in males.
freshwater
Rosy Barb
A hardy, active barb whose silvery body flushes rosy pink to red during breeding condition, especially pronounced in males.
freshwater
Pacific Blue-eye
A tiny, schooling fish common in coastal streams and estuaries of eastern Australia, easily recognized by its reflective, luminous blue eyes.
brackish
Penguin Tetra
An Amazonian characin recognized by its bold black tail stripe and unusual head-up swimming posture resembling a penguin's stance.
freshwater
Otocinclus
A tiny suckermouth catfish that spends most of its time grazing algae and biofilm from surfaces in slow-moving South American waters.
freshwater
Mutton Snapper
A rosy-pink Western Atlantic reef snapper marked by blue eye-lines and a small black spot below the dorsal fin, with elegantly pointed fin tips.
reef
Greenland Shark
A massive, slow-moving Arctic shark believed to be the longest-lived vertebrate on Earth, with lifespans possibly exceeding 250 years.
deepsea
Kribensis
A small, colorful West African dwarf cichlid best known for the vivid magenta belly females display, especially during courtship.
freshwater
Glowlight Tetra
A slender, translucent tetra marked by a bright iridescent orange-red stripe running the length of its body, giving it a luminous glow effect.
freshwater