Allfishes
Siberian sturgeon
Huso baerii
The Siberian sturgeon has a spindle-shaped body with several longitudinal rows of bumps. Its short, triangular …
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 145–168 of 197
Silver carp
Hypophthalmichthys molitrix
The body of the silver carp is quite deep, moderately elongated, and covered with small, easily …
Slender piranha
Serrasalmus elongatus
The most important feature of the slender piranha, which is reflected in its name, is its …
Smallscale archerfish
Toxotes microlepis
The smallscale archerfish has a pointed snout and large eyes. Their back is relatively flat and …
Smelt, Rainbow
Osmerus mordax
A slender, silvery fish with a pale green or olive green back. When fresh, the sides …
Snook, Common
Centropomus undecimalis
A silvery fish with a yellow-green or olive hue, it has a streamlined and slender body …
Snook: Fat Snook, Swordspine Snook, Tarpon Snook
Centropomus parallelus, Centropomus ensiferus, Centropomus pectinatus
The fat snook has a deeper body than other snook, although it is not severely compressed. …
Speckled peacock bass
Cichla temensis
Speckled peacock bass has dark spots on the operculum and three distinctive vertical black stripes on …
Splake
Salvelinus namaycush x Salvelinus fontinalis
Splake are difficult to identify externally as they resemble both parents. The body shape is intermediate …
Spotted lungfish
Protopterus dolloi
The spotted lungfish has a body very similar to that of an eel. It is elongated …
Squawfish, Northern
Ptychocheilus oregonensis
The mouth of the northern squawfish is terminal and large, extending backward beyond the anterior margin …
Steelhead
Oncorhynchus mykiss
Steelhead are usually slender and streamlined. The dorsal coloration is mostly blue-green with an olive hue, …
Striped headstander
Anostomus anostomus
The body of the striped headstander is elongated, slightly compressed laterally, resembling a torpedo. The head …
Striped snakehead
It is a bony fish with an endoskeletal thorax. Body subcylindrical, head depressed, caudal fin rounded. …
Sturgeon, Atlantic
Acipenser oxyrinchus
The Atlantic sturgeon is dark brown or olive green with a white belly. The head is …
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, White
Acipenser transmontanus
The adult white sturgeon has a moderately blunt snout, spines closer to the tip of the …
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, Green
Lepomis cyanellus
Latin name Lepomis cyanellus Other names Green perch, black perch, pond perch, creek perch, sand bass, …
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 …