Allfishes
Amu-Darya trout
Salmo oxianus
The Amu-Darya trout, in its external appearance, is typical of salmonid fish but has its own …
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 28
Arapaima
Arapaima gigas
The body of the arapaima is elongated and compressed from the sides. It is covered with …
Asian stinging catfish
Heteropneustes fossilis
The Asian stinging catfish has an elongated, slightly compressed body that writhes like a snake when …
Bowfin
Amia calva
The ancient fish, described by some as looking more like a snake than a fish, has …
Bullhead, Black
Ameiurus melas
The "black" bullhead can actually be yellowish green, dark green, olive, brown, or black on the …
Bullhead, Brown
Ameiurus nebulosus
The head of the brown bullhead is large for its round and slender body, and the …
Bullhead, Yellow
Ameiurus natalis
A moderately slender fish, it has skin without scales. The coloration varies from yellowish-olive to brown …
Burbot
Lota lota
The head is flattened, broad, with an unpaired antenna on the chin and short antennae at …
Candiru
Vandellia cirrhosa
The candiru has an elongated body, a small head, and an abdomen that may appear swollen, …
Catfish, Blue
Ictalurus furcatus
Blue catfish are usually bluish-grey or slate-blue, without spots or other markings, although they can be …
Catfish, Channel
Ictalurus punctatus
The body is bare, elongated, slender and compressed at the rear. The caudal fin is long …
Catfish, Flathead
Pylodictus olivaris
The flathead catfish has a distinctive appearance and is not easily confused with any other species. …
Catfish, White
Ameiurus catus
White catfish resemble a cross between a channel cat and a bullhead, with a slightly forked …
Catfish: Channel Catfish
Ictalurus punctatus
Most catfish have no scales, but some are covered with heavy scales. They are characterised by …
Chubsucker: Lake Chubsucker
Erimyzon oblongus
Chubsuckers are characterised by their small, protruding, sucker-like mouths and thick, fleshy lips. Creek, lake and …
Eastern bottle-nosed mormyrid
Mormyrus longirostris
The eastern bottle-nosed mormyrid has such a distinctive appearance that it cannot be confused with any …
Eel, American
Anguilla rostrata
The body is elongated and snake-like, with a pointed head and many teeth. It is covered …
Fahaka pufferfish
Tetraodon lineatus
The skin of the Fahaka pufferfish is scaleless, but the head and body are covered with …
Frankfish
Gymnarchus niloticus
The Frankfish has a long and slender body. It possesses four small bony gills on both …
Green pufferfish
Dichotomyctere fluviatilis
The body of the green pufferfish is short and rounded, with bulging eyes and a very …
Green terror
Andinoacara rivulatus, syn. Aequidens rivulatus.
The Green Terror is a stocky fish with a prominent forehead. In adult males, a pronounced …
Madtom, Brown
Noturus phaeus
Brown madtom has a dull coloration. The upper part of the body has a chocolate brown …
Madtoms: Black Madtom
Noturus funebris
The madtom is recognized by its unique fleshy fin. In non-madtom catfish, the fat fin protrudes …
Mbu pufferfish
Tetraodon mbu
The Mbu pufferfish is the largest representative of the pufferfish family in the world. It is …