Allfishes
Finescaled four-eyed fish
Anableps microlepis
Anableps: Greek, ana = up + Greek, blepo, blepsis, -eos = glance, sight.The elongated cylindrical body …
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 25–48 of 49
Fourspine stickleback
Apeltes quadracus
The fourspine stickleback possesses an elongated, fusiform body lacking scales. Typically, it exhibits four or five …
Frankfish
Gymnarchus niloticus
The Frankfish has a long and slender body. It possesses four small bony gills on both …
Green terror
Andinoacara rivulatus, syn. Aequidens rivulatus.
The Green Terror is a stocky fish with a prominent forehead. In adult males, a pronounced …
Honey sucker
Gyrinocheilus aymonieri
The scientific name was given in honour of the French linguist and explorer Étienne Aymonier (1844-1929).The …
Humpback whitefish
Coregonus pidschian
The body of the humpback whitefish becomes more pronounced with age, growing taller. A well-defined hump …
Longcomb sawfish
Pristis zijsron
The longcomb sawfish has an elongated, flat rostrum with tooth-like projections on either side. It is …
New Zealand longfin eel
Anguilla dieffenbachii
The New Zealand longfin eel possesses a long, slender body with a large mouth filled with …
Pallid sturgeon
Scaphirhynchus albus
The pallid sturgeon has a distinctive, prehistoric appearance. Its body is elongated, nearly cylindrical, with a …
Peled
Coregonus peled
The peled can be easily distinguished from other whitefish by its terminal mouth, in which the …
Scaly osman
Diptychus maculatus
The body of the Scaly osman is fusiform (spindle-shaped), elongate, and shallow. The mouth is inferior …
Siberian sturgeon
Huso baerii
The Siberian sturgeon has a spindle-shaped body with several longitudinal rows of bumps. Its short, triangular …
Spotted lungfish
Protopterus dolloi
The spotted lungfish has a body very similar to that of an eel. It is elongated …
Sturgeon, Lake
Acipenser fulvescens
Lake sturgeon are somewhat torpedo-shaped, and the upper lobe of the caudal fin is longer than …
Sturgeon, Shovelnose
Scaphirhynchus platorinchus
The shovelnose sturgeon has a broad, flat head with an elongated shovel-like snout. There are four …
Sturgeon: Green Sturgeon
Acipenser medirostris
Sturgeon and paddlefish, best known for their black caviar, belong to the order Acipenseriformes, but at …
Sucker, White
Catostomus commersoni
White suckers have inconspicuous coloration, usually sparse shades of white, yellow, and pink. Adults have almost …
Sucker: Northern Redhorse
Maxostoma macrolepidotum
Suckers are most easily distinguished by their small mouths and large fleshy lips. They have no …
Sunfish, Longear
Lepomis megalotis
With its stocky body, the longear sunfish is not as shrunken as the bluegill or pumpkinseed, …
Sunfish, Mud
Acantharchus pomotis
It has a rectangular compressed body that is dark reddish brown on the back and light …
Sunfish, Redbreast
Lepomis auritus
The body of the redbreasted sunfish is deep and compressed, but rather elongated for a sunfish. …
Sunfish, Redear
Lepomis microlophus
Pale golden-green on top, the redear sunfish has a rounded shape and is compressed at the …
West African lungfish
Protopterus annectens
The body of the West African lungfish is elongated, 9 to 15 times longer than the …
White-eye bream
Ballerus sapa
The body of the white-eye bream is compressed laterally and more elongated than that of its …