Fish Identifier

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.

Butterfish

Butterfish

A disc-shaped, silvery schooling fish of the northwestern Atlantic shelf, the Butterfish migrates seasonally between inshore and offshore waters and often shelters near jellyfish as a juvenile.

pelagic
Trumpetfish

Trumpetfish

A long, tube-bodied ambush predator that hovers motionless among reef structures, often drifting vertically to mimic a stray branch or gorgonian coral before striking small fish.

reef
Tarpon

Tarpon

A giant, silver-scaled fish known as the 'Silver King,' famous for its acrobatic leaps and its ability to gulp air at the surface in low-oxygen coastal waters.

brackish

White Marlin

A slender, fast-swimming billfish of the tropical and temperate Atlantic, known for its rounded fins and vivid blue-white coloration.

pelagic
Torpedo Ray

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

Hardhead Catfish

A common western Atlantic sea catfish with a bony plate on its head, short barbels, and a mouthbrooding reproductive strategy shared with related sea catfish.

saltwater
Football Fish

Football 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.

deepsea
Sailfish

Sailfish

One of the fastest fish in the ocean, instantly recognizable by its towering, sail-like dorsal fin and elongated spear-like upper jaw used to slash through schools of prey.

pelagic

Herring

One of the world's most abundant fish, the herring forms colossal schools in cold North Atlantic waters and underpins much of the region's marine food web.

pelagic
Agujon Needlefish

Agujon Needlefish

One of the largest needlefish species, the Agujon Needlefish is a long, torpedo-like predator with an elongated toothy beak, found in warm coastal and offshore waters worldwide.

saltwater
Sturgeon

Sturgeon

An ancient family of large, armored bony fish with bony scutes instead of scales and a shark-like barbeled snout. Sturgeon migrate between rivers and the sea to spawn and are among the most endangered fish groups.

brackish
Marlin

Marlin

A large, powerful open-ocean billfish with a long rounded spear-like bill and a tall crested back, prized as one of the ocean's fastest and most sought-after game fish.

pelagic
Sea Hagfish

Sea Hagfish

The sea hagfish is a primitive, eel-shaped jawless fish that scavenges on the deep, cold seafloor of the North Atlantic and produces enormous amounts of defensive slime.

deepsea
Salmon

Salmon

A large anadromous fish that hatches in freshwater rivers, migrates to the ocean to mature, and returns upriver to spawn, prized as an iconic sport fish.

freshwater
Blue Marlin

Blue Marlin

A massive, cobalt-blue billfish with a long spear-like bill, the Blue Marlin is one of the fastest and largest predators of the open tropical ocean.

pelagic
Bluefin Tuna

Bluefin Tuna

One of the largest and fastest bony fish in the ocean, the Bluefin Tuna is a warm-blooded, torpedo-shaped predator capable of long transoceanic migrations across the Atlantic.

pelagic
Blackfin Tuna

Blackfin Tuna

The smallest member of the true tuna genus, this fast schooling fish sports a dark blue-black back and yellow, black-edged finlets, ranging through warm western Atlantic waters.

pelagic
Pygmy Angelfish

Pygmy Angelfish

A tiny deep-blue western-Atlantic dwarf angelfish with a bright yellow-orange face.

reef
Balao

Balao

A slender, silvery halfbeak with a needle-like lower jaw that schools near the surface of warm Atlantic waters.

pelagic
Slippery Dick

Slippery Dick

A common small western-Atlantic wrasse with two dark lateral stripes and a small dark spot at the tail base.

reef
Pompano

Pompano

A deep-bodied, silvery jack with a forked tail, found along sandy coastal shores of the eastern Atlantic and Mediterranean.

saltwater
Meagre

Meagre

The Meagre is a large, golden-silver sciaenid of the eastern Atlantic and Mediterranean, among the biggest members of the drum family.

saltwater
Weakfish

Weakfish

The Weakfish is an iridescent greenish-bronze sciaenid with diagonal spotted markings, found in mid-Atlantic estuaries and coastal waters of the U.S.

brackish

Bluntnose Flyingfish

A small flyingfish with a short, blunt snout and large wing-like pectoral fins, gliding above the open tropical Atlantic.

pelagic