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.
Domino Damselfish
A hardy black damselfish marked with three bold white spots as a juvenile, named for its resemblance to a domino tile.
reef
Red Devil Cichlid
A bold, thick-lipped Nicaraguan cichlid known for its fiery orange-red or white coloration and famously feisty, combative temperament.
freshwater
Maroon Clownfish
The largest and most aggressive anemonefish, with a deep maroon body and bold white or gold bars, fiercely guarding its host anemone.
reef
Twinspot Wrasse
A large Indo-Pacific wrasse; juveniles are white with two red-and-black spots, while old males become bulky and greenish with a forehead hump.
reef
Tomato Clownfish
A deep-bodied, orange-red anemonefish with a single white head bar, living in close partnership with a host sea anemone.
reef
Auriga Butterflyfish
A very common Indo-Pacific butterflyfish with cross-hatched white body, yellow rear, and often a trailing dorsal filament.
reef
Spotted Boxfish
The Spotted Boxfish shows striking sexual dimorphism: males are blue with orange-edged spots and yellow stripes, while females and juveniles are black covered in white spots.
reef
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
Longnose Hawkfish
A red-and-white lattice-patterned hawkfish with an unmistakable elongated snout, perched motionlessly on gorgonian sea fans across the Indo-Pacific.
reef
High-hat
A striking black-and-white striped reef drum related to the jackknife-fish, easily recognized by its tall, elongated dorsal fin.
reef
Rummynose Tetra
A slender silvery tetra known for its bright red-orange snout and a bold black-and-white striped tail, prized for tight, synchronized shoaling.
freshwater
Red-eye Tetra
A hardy, wide-ranging South American characin identified by its striking red iris band and bold black-and-white marked tail base.
freshwater
Clownfish
A small, brilliantly orange reef fish with three white bars, famous for its symbiotic partnership with sea anemones on Indo-Pacific coral reefs.
reef
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
Blackfin Clownfish
An orange anemonefish with a single white head bar and distinctive black-edged pelvic and anal fins, endemic to reefs around the Maldives and Sri Lanka.
reef
Silver Tip Tetra
A bronze-bodied Brazilian characin notable for lacking an adipose fin and for its bright white-tipped fins, active in fast-moving shoals.
freshwater
Powder Blue Tang
A vivid powder-blue surgeonfish with a black facial mask and white throat patch, common on shallow reef edges across the Indian Ocean.
reef
Convict Blenny
An eel-like burrow-dweller whose black-and-white striped juveniles form dense swirling schools near the burrow mouth, while adults hide almost entirely underground.
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
Three-Spot Domino Damselfish
A round, jet-black damselfish marked with three white spots, commonly seen sheltering among sea anemones and branching corals on Indo-Pacific reefs.
reef
Speckled Hind
A reddish-brown to blackish western Atlantic grouper densely covered in small pale blue-white spots, giving rise to its nickname the "strawberry grouper."
deepsea
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
Koi
Ornamental color varieties of the Amur carp, selectively bred in Japan for centuries into hundreds of red, white, black, and gold patterns kept in decorative ponds worldwide.
freshwater
Humbug Damselfish
A small white damselfish marked with three bold black bars and a clear tail, living in tight groups among the branches of Indo-Pacific coral colonies.
reef