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.
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
Vermilion Snapper
A slender, vivid pinkish-red snapper of deep offshore reefs and hard bottom, feeding mainly on plankton picked from the water column rather than the substrate.
reef
Two-Banded Clownfish
An orange anemonefish with two broad white bars, the characteristic clownfish of the Red Sea and adjacent Gulf of Aden reefs, always found sheltering among host anemones.
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
Scrawled Filefish
The Scrawled Filefish is a large, thin-bodied filefish covered in unique blue and black scribbled lines and spots, found drifting near reefs in tropical seas worldwide.
reef
Catalina Goby
A tiny, vividly colored goby with electric blue bands over a red-orange body, found perched on rocky reefs and kelp holdfasts off the Pacific coast.
reef
Balloonfish
The balloonfish is a spine-covered porcupinefish that inflates by gulping water when threatened, using its beak-like teeth to crush hard-shelled prey on tropical reefs.
reef
Atlantic Salmon
An iconic anadromous fish of the North Atlantic, born in cold rivers, maturing at sea, and returning to natal streams to spawn.
freshwater
Banded Knifefish
An elongated, eel-like South American fish that generates weak electric fields to navigate and communicate in murky water.
freshwater
Fiji Blue Devil
A striking blue-headed, yellow-bodied damselfish endemic to the coral reefs of Fiji and nearby South Pacific islands.
reef
Titan Triggerfish
The Titan Triggerfish is the largest triggerfish species, recognized by its olive-yellow body, pale moustache stripe, and famously territorial nest-guarding behavior on Indo-Pacific reefs.
reef
Ringtail 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.
reef
Lane Snapper
A small, silvery-pink schooling snapper marked by faint yellow stripes and a black spot near the tail base, common across shallow Western Atlantic reefs and seagrass.
reef
Common Archerfish
A deep-bodied, silvery fish famed for spitting jets of water to knock insects off overhanging vegetation into the water.
brackish
Pike Livebearer
A large, elongated predatory livebearer from Central America with a pike-like head and mouth built for ambushing small fish.
freshwater
Sailfin Tang
A striped surgeonfish famous for its oversized, sail-like dorsal and anal fins, common on Indo-Pacific coral reefs.
reef
Golden Trevally
A bright golden-yellow jack, often banded as a juvenile, found around coral reefs and lagoons throughout the Indo-Pacific.
reef
Black Jack
The Black Jack is a large, uniformly dark trevally that forms big schools around offshore tropical reefs and current-swept drop-offs across the Indian, Pacific, and Atlantic Oceans.
reef
Torpedo Ray
The largest of the electric rays, a powerful bottom-dweller capable of delivering an electric shock strong enough to stun sizeable fish.
cartilaginous
African Arowana
A large African bonytongue fish with a toothless, filter-feeding mouth adapted for straining plankton and detritus from floodplain waters.
freshwater
Stone Loach
The Stone Loach is a small, mottled bottom-dwelling fish common in clear European streams, often hiding under stones by day.
freshwater
Pygmy Corydoras
The Pygmy Corydoras is one of the smallest armored catfish species, a tiny schooling fish native to slow-moving tributaries of the Amazon basin.
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
Giant Freshwater Stingray
One of the largest freshwater fish on Earth, a massive river-dwelling stingray capable of exceeding 2 meters across and hundreds of kilograms.
freshwater