Allfishes
Ladyfish
Elops saurus
The ladyfish has an elongated, slender, silvery body with a blue-green back and fine scales. It …
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 97–120 of 197
Lamprey: Sea Lamprey
Petromyzon marinus
Fish without jaws are fish-like vertebrates, eel-like in shape, with a cartilaginous or fibrous skeleton in …
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 …
Longcomb sawfish
Pristis zijsron
The longcomb sawfish has an elongated, flat rostrum with tooth-like projections on either side. It is …
Malapterurus electricus
Malapterurus electricus
Malapterurus electricus has a characteristic appearance that distinguishes it from most other catfish. It has an …
Mango tilapia
Sarotherodon galilaeus
The mouth is small, with the lower jaw length being less than 1/3 of the total …
Minnow, Fathead
Pimephales promelas
The fathead minnow has a puny, deep, compressed body with a short, flattened head. The snout …
Minnow: Golden Shiner
Notemigonus crysoleucas
Minnows are characterized by a single dorsal fin, pelvic fins, soft fin rays, cycloid scales, and …
Mooneye
Hiodon tergisus
The Mooneye is a small fish with a compressed body that is deep in proportion to …
Mozambique Tilapia
Oreochromis mossambicus
The best known member of the tilapia group is the Mozambique tilapia (Oreochromis mossambicus), which is …
Mullet
Mugil cephalus, Mugil curema
The striped mullet (Mugil cephalus) has a bluish-gray or green coloration along the back, turning to …
Muskellunge, Tiger
Esox masquinongy x Esox lucius
Tiger muskellunge was thought to be a separate species until scientists were able to cross northern …
Naked osman
Gymnodiptychus dybowskii
The naked osman has an elongated, fusiform (spindle-shaped) body that is slightly compressed laterally. The body …
Nelma
Stenodus nelma
Nelma has a spindle-shaped body that is slightly flattened on the sides. Its mouth is large, …
New Zealand longfin eel
Anguilla dieffenbachii
The New Zealand longfin eel possesses a long, slender body with a large mouth filled with …
Northern snakehead
Channa argu
The northern snakehead has an elongated, cylindrical body with a flattened, snake-like head, which gives the …
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 …
Perch, White
Morone americana
The white perch has a deep, thin body that rises steeply upward from each eye to …
Perch, Yellow
Perca flavescens
Unlike the white perch, which is actually a temperate perch, the yellow perch is a true …
Peters's elephant-nose fish
Gnathonemus petersii
The elephantnose fish has a moderately deep, laterally compressed body with a distinctive sharp, funnel-shaped snout. …
Pickerel, Chain
Esox niger
With its long, slender body, chain pickerel resembles northern pike and muskellunge, especially when young. It …
Pike, Northern
Esox lucius
The northern pike has an elongated body and head. The snout is broad and flat, resembling …