Allfishes
Alewife
Alosa pseudoharengus
A small silvery gray with a greenish or bluish tint to its back, the alewife usually …
Freshwater
Freshwater fish spend part or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%.
Showing 1–24 of 139
Amur bitterling
Rhodeus sericeus
The Amur bitterling is a small fish with a deep, laterally compressed body, large scales, and …
Aral Basin snowtrout
Schizothorax intermedius
The Aral Basin snowtrout has a fusiform (spindle-shaped) body. The head is flat on the upper …
Arctic cisco
Coregonus autumnalis
The back of the Arctic cisco is rather high and slightly curved. The pelvis has an …
Arctic grayling
Thymallus arcticus
The Arctic grayling has 58 to 62 vertebrae. They have small mouths with small teeth on …
Arctic lamprey
Lethenteron camtschaticum
The Arctic lamprey is characterized by its eel-like body shape, the presence of two large teeth …
Asian stinging catfish
Heteropneustes fossilis
The Asian stinging catfish has an elongated, slightly compressed body that writhes like a snake when …
Asp
Leuciscus aspius
The asp is a true "torpedo-shaped" predator, whose appearance reveals it as a swift hunter.The body …
Atlantic stingray
Dasyatis sabina
The Atlantic stingray has an elongated, pointed snout. Spiracles are located behind the eyes. The ventral …
Balkhash perch
Perca schrenkii
The closest relative is the European perch (Perca fluviatilis), from which the Balkhash perch diverged approximately …
Banded archerfish
Toxotes jaculatrix
The genus name Toxotes is derived from Greek, meaning "archer" or "bow shooter." It refers to …
Banded gourami
Trichogaster fasciata
The banded gourami has an elongated, strongly compressed body with an egg-shaped profile. The mouth is …
Bass, Largemouth
Micropterus salmoides
Compared to other members of the sunfish family, the largemouth bass has an elongated and robust …
Bass, Redeye
Micropterus coosae
Redeye bass is distinguished by a significant amount of red coloration in its eyes. It is …
Bass, Roanoke
Ambloplites cavifrons
Roanoke bass is similar in body shape to rock bass or warmouth. It can be recognized …
Bass, Rock
Ambloplites rupestris
Although in appearance it resembles something between a bluegill and a black bass, the rock bass …
Bass, Smallmouth: Northern Smallmouth Bass, Neosho Smallmouth Bass
Micropterus dolomieui, Micropterus dolomieui dolomieui, Micropterus dolomieui velox
The smallmouth bass has a strong, slightly laterally compressed and elongated body, a protruding lower jaw, …
Bass, Spotted
Micropterus punctulatus
Spotted bass has a moderately compressed, elongated body with similar coloration and markings to those of …
Bass, Striped
Morone saxatilis
A large fish with a large mouth. The striped bass is more streamlined than its close …
Bass, White
Morone chrysops
White bass has a moderately deep and compressed body, which is elevated behind a small head …
Bering cisco
Coregonus laurettae
The Bering cisco has an elongated, compressed body. It is distinguished from the Arctic cisco (Coregonus …
Big Baikal oilfish
Comephorus baikalensis
The body of the Big Baikal oilfish is slender, naked (devoid of scales), with very thin …
Bighead carp
Hypophthalmichthys nobilis
The bighead carp has a deep, laterally compressed body with a characteristically very large head, which …
Bluegill
Lepomis macrochirus
The bluegill has a considerably compressed oval or rounded body, a small mouth, and a small …