All Fishes

Killifish

Fundulus heteroclitus

The fins have soft rays like cyprinids, but killifish have scales on the head and no …

Kitefin shark

Dalatias licha

The kitefin shark has a moderately sized, elongate body with a short and blunt snout. The …

Knifetooth sawfish

Anoxypristis cuspidata

The elongated, flat rostrum is covered with tooth-like projections on both sides. It is covered with …

Koefoed's smooth-head

Bathytroctes macrolepis

Bathytroctes macrolepis has a moderately elongate, fusiform (spindle-shaped) body that is compressed at the rear. The …

Ladyfish

Elops saurus

The ladyfish has an elongated, slender, silvery body with a blue-green back and fine scales. It …

Lagoon triggerfish

Rhinecanthus aculeatus

They have a tall, elongated body that is flattened at the sides. The head is triangular …

Lamprey: Sea Lamprey

Petromyzon marinus

Fish without jaws are fish-like vertebrates, eel-like in shape, with a cartilaginous or fibrous skeleton in …

Large yellow croaker

Larimichthys crocea

The caudal peduncle is rather slender, its length more than 3 times its height. The scales …

Large-head threadfin bream

Parascolopsis capitinis

Large-headed seabreams have a moderately deep body, with a standard length of 2.7-3 times their depth.

Largehead hairtail

Trichiurus lepturus

The body is elongated, bare, and ends in a thread-like appendage. The eyes are large and …

Largescale triggerfish

Canthidermis macrolepis

The body of the largescale triggerfish is short, compressed laterally, and deep, but thinner than that …

Largespotted dart

Trachinotus botla

The body of the large spotted dart is elongated, oval in shape, strongly compressed at the …

Largetooth sawfish

Pristis pristis

This is a fish that cannot be mistaken for any other due to its unique "weapon"—the …

Latticed butterflyfish

Chaetodon rafflesii

Muzzle length is 2.1-2.6 inches long. Body depth 1.4-1.8 inches wide.

Leaf scorpionfish

Taenianotus triacanthus

The fish is flat, almost like a leaf, and resembles it in many ways. The venom …

Leafy seadragon

Phycodurus eques

Representatives of this species of fish are characterized by the fact that their entire body and …

Leaping mullet

Chelon saliens

Body elongated, cylindrical. Head broad, width of interorbital space approximately equal to width of mouth; snout …

Least cisco

Coregonus sardinella

The body of the Least Cisco is elongated, somewhat compressed at the sides, with the greatest …

Least killifish

Heterandria formosa

Least killifish differ little in body shape from their closest relatives, the Poecilia. They have an …

Leatherfin lumpsucker

Eumicrotremus derjugini

It differs from closely related species in having a dorsal fin that is completely submerged under …

Lemon damselfish

Pomacentrus moluccensis

A fish with a deep body, compressed at the sides. The head is slightly longer than …

Leopard coral grouper

Plectropomus leopardus

The body is elongated and stout, with a standard length of 2.9-3.9 times the body depth. …

Leopard flounder

Bothus pantherinus

The leopard flounder is a highly compressed fish, one of the left-eyed flounders, meaning that the …

Leopard moray eel

Enchelycore pardalis

Total number of vertebrae is 119-126. Long tubular posterior nostrils are located on the snout above …