Allfishes
Grayling, Arctic
Thymallus arcticus
Graceful lines, large fins and spectacular coloration make the grayling a striking fish. The most striking …
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 49–72 of 88
Green terror
Andinoacara rivulatus, syn. Aequidens rivulatus.
The Green Terror is a stocky fish with a prominent forehead. In adult males, a pronounced …
Herring, Pacific
Clupea pallasii
The body is prostrate, compressed from the sides, covered with easily drooping scales. Abdomen rounded, ventral …
Ide
Leuciscus idus
The body of the ide is thick. It is distinguished by the following features: a shortened …
Ladyfish
Elops saurus
The ladyfish has an elongated, slender, silvery body with a blue-green back and fine scales. It …
Lamprey: Sea Lamprey
Petromyzon marinus
Fish without jaws are fish-like vertebrates, eel-like in shape, with a cartilaginous or fibrous skeleton in …
Malapterurus electricus
Malapterurus electricus
Malapterurus electricus has a characteristic appearance that distinguishes it from most other catfish. It has an …
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 …
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 …
Predatory carp
Chanodichthys erythropterus
The predatory carp has a body structure typical of an active pelagic predator — streamlined, elongated, …
Red-bellied piranha
Pygocentrus nattereri
The red-bellied piranha has a short, deep body shape. Its cross-section is compressed.All piranhas have large …
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, Pink
Oncorhynchus gorbuscha
Pink salmon are known as "humpback" because of their distorted, extremely humped appearance, which is caused …
Sander
Sander lucioperca
There are 8-12 short, broad, brown-black horizontal stripes on the sides. The dorsal and caudal fins …
Sauger
Stizostedion canadense
The body of the sauger is slender and almost cylindrical, and the head is long and …
Shiner, Common
Luxilus cornutus
The common shiner is silvery with a deeply compressed body, a dark dorsal stripe, large eyes, …
Shiner, Golden
Notemigonus crysoleucas
The golden shiner has a deep, compressed body that is usually a golden yellow or brassy …
Shiner, Striped
Luxilus chrysocephalus
The striped shiner is a silvery, laterally compressed minnow with large eyes and a terminal mouth. …