Allfishes
Paddlefish
Polyodon spathula
The paddlefish is almost sharklike in appearance, and if you cut off its long paddle-like snout, …
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 245
Pallid sturgeon
Scaphirhynchus albus
The pallid sturgeon has a distinctive, prehistoric appearance. Its body is elongated, nearly cylindrical, with a …
Paradise fish
Macropodus opercularis
This species exhibits sexual dimorphism. Males are larger than females and possess elongated filaments on their …
Pearl gourami
Trichopodus leerii
The Pearl gourami has an elongated, oval-shaped body that is strongly compressed laterally.
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 …
Porous seasonal killifish
Cynolebias porosus
The Porous seasonal killifish has a fusiform (spindle-shaped) body that is laterally compressed. The snout is …
Predatory carp
Chanodichthys erythropterus
The predatory carp has a body structure typical of an active pelagic predator — streamlined, elongated, …
Pyrrhulina filamentosa
Pyrrhulina filamentosa
Pyrrhulina filamentosa has an elongated body with a large caudal fin, the upper lobe of which …
Red-bellied piranha
Pygocentrus nattereri
The red-bellied piranha has a short, deep body shape. Its cross-section is compressed.All piranhas have large …
Redbelly tilapia
Coptodon zillii, tilapia zillii.
Large species with a dense build, narrow head and small strong jaws. The upper profile of …
Rudd
Scardinius erythrophthalmus
The rudd has a cylindrical shape and a deep body. It has a moderately forked tail …
Ruffe
Gymnocephalus cernuus
The ruffe is very similar to the yellow perch in body shape and to the walleye …
Russian bitterling
Acheilognathus asmussii
The Russian bitterling has a very characteristic appearance that distinguishes it from other members of the …
Salmon, Atlantic
Salmo salar
Compared to its body size, the adult Atlantic salmon has a small head. Its body is …
Salmon, Chinook
Oncorhynchus tshawytscha
The body is elongated and somewhat compressed. The head is cone-shaped . It has a bluish …
Salmon, Chum
Oncorhynchus keta
The mouth is large, with the maxillary bone reaching backwards to the vertical of the posterior …
Salmon, Coho
Oncorhynchus kisutch
Head thick, forehead broad. The tail stem is high. In the sea and when entering rivers, …
Salmon, Pink
Oncorhynchus gorbuscha
Pink salmon are known as "humpback" because of their distorted, extremely humped appearance, which is caused …
Salmon, Sockeye
Oncorhynchus nerka
The slimmest and most streamlined of the Pacific salmon, which are elongated and somewhat compressed from …