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.
Palette Surgeonfish
The vivid blue-and-black Blue Tang, famous for its palette-shaped markings and bright yellow tail; an Indo-Pacific coral reef species that feeds mainly on drifting plankton rather than algae.
reefBrown Surgeonfish
A small, plain brown Indo-Pacific tang that is nonetheless one of the most abundant algae-grazing reef fish, playing a key role in controlling reef algal growth.
reefLined 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.
reefWhitetail Surgeonfish
A slender, dark-bodied tang with a strikingly pale, forked tail, often seen hovering in groups over Indo-Pacific reef drop-offs to feed on drifting zooplankton.
reefYellowfin Surgeonfish
One of the largest surgeonfishes, reaching 70 cm, identified by a bright yellow pectoral-fin patch and blue-ringed eyes; found in lagoons and bays across the Indo-Pacific and eastern Pacific.
reefRingtail Surgeonfish
A blue-grey Indo-Pacific tang identified by the narrow white ring encircling its tail base; common on coral and rocky reefs from East Africa to Hawaii.
reefEyestripe Surgeonfish
An Indo-Pacific tang with fine blue pencil-lines over a yellow-brown body and a distinctive yellow stripe through the eye; notably long-lived, reaching nearly 30 years.
reefDoubletooth Surgeonfish
A sawtail surgeonfish of the genus Prionurus, marked by rows of forward-angled bony 'teeth' on the tail base instead of a single blade-like spine; found on rocky reefs of the eastern tropical Atlantic.
reefReef 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.
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.
freshwaterJackknife-fish
A boldly black-and-white striped reef drum with a dramatic, curved dorsal fin that resembles the blade of an open jackknife.
reefTripod 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.
freshwater