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.
Reef Stonefish
The reef stonefish is the classic, rock-mimicking stonefish of coral reef flats, considered one of the most venomous fish in the sea and virtually invisible against reef rubble.
reefReef Shark
A common, streamlined shark patrolling Indo-Pacific coral reefs, recognized by its broad black-edged tail fin and stout gray body.
reefReef Needlefish
A long, slender, silvery needlefish with elongated toothy jaws, commonly seen cruising just below the surface over Indo-Pacific coral reefs and reef flats.
reefReef Croaker
A coppery-golden drum associated with Caribbean coral reefs, unusual among croakers for its strong reef affinity rather than open sand or mud habitat.
reefBlue Reef Chromis
A slender, brilliant blue schooling fish commonly seen hovering in large numbers above coral reef outcrops throughout the Caribbean and western Atlantic.
reefBlacktip Reef Shark
A slender, small reef shark instantly recognized by the bold black tips on all its fins, commonly seen patrolling shallow lagoons and reef flats across the Indo-Pacific.
reefWhitetip Reef Shark
A slender nocturnal reef shark marked by distinctive white-tipped fins, often seen resting motionless inside reef caves and under ledges by day across the Indo-Pacific.
reefCaribbean Reef Shark
The most commonly encountered large shark on Caribbean reefs, a stocky gray requiem shark often seen resting motionless on the sea floor.
reefJackknife-fish
A boldly black-and-white striped reef drum with a dramatic, curved dorsal fin that resembles the blade of an open jackknife.
reefSabertooth Fish
A slender deep-sea predator with oversized fang-like teeth and unusual tubular, upward-angled eyes that help it spot the silhouettes of prey against faint downwelling light.
deepseaParadise Fish
A hardy East Asian labyrinth fish with vivid blue-and-red banded flanks and flowing fins, historically one of the first ornamental fish kept in Western aquariums.
freshwaterTripod Fish
An abyssal fish that props itself above the seafloor on three elongated fin rays, forming a tripod, and waits motionless facing into the current to ambush tiny drifting prey.
deepseaFootball Fish
A round, warty deep-sea anglerfish whose much larger females dangle a bioluminescent lure from a spine above the mouth to draw prey through the permanent darkness of the deep ocean.
deepseaBumblebee Fish
A tiny, boldly banded goby popular in brackish aquariums, named for its wasp-like black-and-yellow stripes.
brackishFour-Eyed Fish
A surface-dwelling brackish-water fish famous for eyes split into upper and lower halves, allowing it to see simultaneously above and below the waterline.
brackishAfrican Tiger Fish
A ferocious, fast-swimming predator of southern and eastern African rivers, armed with prominent interlocking teeth and known for spectacular aerial strikes on prey.
freshwaterLeopard Bush Fish
A round-bodied Congo basin ambush predator patterned with dark leopard-like spots, prized in aquariums for its striking camouflage and air-breathing labyrinth organ.
freshwaterBigfin Squid Fish
Despite the common name, this is not a true fish but a rarely filmed deep-sea cephalopod, famous for extraordinarily long elbowed arms trailing beneath a small gelatinous body.
deepseaGrouper
A heavy-bodied reef predator with a large mouth and mottled camouflage pattern, known for lying in wait near reef structure before ambushing fish and crustaceans.
reefMoray Eel
A long, serpentine reef predator that hides in crevices by day, identified by its scaleless body, continuous fin along the back, and powerful jaws with a rarely seen second set of pharyngeal jaws.
reefPorkfish
A bright yellow Caribbean grunt marked by two bold black diagonal stripes across the head, forming large schools that shelter near reef structure by day.
reefGreater Amberjack
A large, torpedo-shaped jack with a bronze-amber stripe running through the eye, commonly found around offshore reefs and wrecks worldwide.
reefCubbyu
A small, deep-bodied drum with a tall dorsal fin and faint dark stripes, often seen hovering near reef ledges in the western Atlantic.
reefBlue Green Chromis
A small schooling damselfish with iridescent blue-green coloring, commonly seen in large groups hovering above branching coral on Indo-Pacific reefs.
reef