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.
Pink Skunk Clownfish
A pale pink anemonefish with a single white stripe running down its back, found living among sea anemones on reefs across the Indo-Pacific.
reef
Orange-lined Triggerfish
The Orange-lined Triggerfish is a dark green triggerfish covered in bold curving orange stripes, one of the most vividly patterned fish on Indo-Pacific reefs.
reef
Lined Surgeonfish
A boldly striped blue, black, and yellow tang that fiercely defends algal-turf patches on shallow, wave-exposed reef crests across the Indo-Pacific.
reef
Giant Moray
The Giant Moray is the largest moray eel species, a densely spotted Indo-Pacific reef predator that shelters in crevices by day and hunts fish and invertebrates at night.
reef
Clown Tang
A vividly striped surgeonfish with alternating blue, black, and yellow horizontal lines, one of the most aggressively territorial herbivores on shallow Indo-Pacific reef crests.
reef
Blue Devil Damselfish
A small, intensely electric-blue damselfish common on shallow Indo-Pacific reef flats, with males developing an orange-tinted tail during breeding season.
reef
Bat Ray
A large, dark-backed eagle ray of the eastern Pacific coast, often seen gliding over sand flats or excavating pits to unearth buried prey.
cartilaginous
Steelhead
The anadromous, sea-run form of rainbow trout, prized by anglers for its powerful runs and acrobatic leaps after migrating between rivers and the Pacific Ocean.
freshwater
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
Spotted Garden Eel
The Spotted Garden Eel lives in dense colonies of speckled, burrow-dwelling eels on sandy reef slopes across the Indo-Pacific, feeding on drifting plankton.
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
Pink Salmon
The smallest and most abundant Pacific salmon, notable for its strict two-year life cycle and the pronounced dorsal hump males develop when spawning.
freshwater
Petrale Sole
A slender, plain light-brown northeastern Pacific flatfish, more closely related to flounders than true soles, favoring sandy continental shelf bottoms.
saltwater
Mono Argentus
A flat, disc-shaped, mirror-silver fish with tall yellow-tinged fins, commonly seen schooling in brackish estuaries and harbors across the Indo-Pacific.
brackish
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
Diamond Goby
A slender, sand-sifting goby with rows of orange spots, prized for cleaning aquarium sand beds. Found on shallow lagoon flats throughout the Indo-Pacific.
reef
California Halibut
A large, active eastern Pacific flatfish with a big toothy mouth, uniform brown coloration, and an unusual mix of left- and right-eyed individuals within the species.
saltwater
Aiptasia-eating Filefish
A small, drab Indo-Pacific filefish prized in reef aquariums for its habit of eating Aiptasia glass anemones, blending into seagrass and algae with mottled camouflage.
reef
Yellow Tang
A brilliant all-yellow surgeonfish common on Pacific coral reefs, especially around Hawaii, easily recognized by its disc-shaped body and sharp tail spine.
reef
Topsmelt
A slender, silvery schooling fish common in bays, estuaries, and kelp beds along the eastern Pacific coast, often seen shoaling near the surface in large numbers.
saltwater
Sixline Soapfish
A dark brown-black Indo-Pacific reef fish marked with six pale horizontal stripes, known for secreting a bitter, toxic skin mucus as a defense mechanism.
reef
Skunk Clownfish
A slender, pale peach-to-pink anemonefish marked by a single white stripe running from snout to tail, living in symbiosis with sea anemones on Indo-Pacific reefs.
reef
Hardyhead Silverside
A robust, silvery schooling fish common in shallow lagoons and reef flats across the Indo-Pacific, identified by its broad head and prominent silver midline stripe.
saltwater
Estuarine Stonefish
A heavily camouflaged, encrusted-looking fish that lies motionless on muddy estuary and mangrove bottoms across the Indo-Pacific, bearing venomous dorsal spines as a natural defense.
brackish