Allfishes
Eel, American
Anguilla rostrata
The body is elongated and snake-like, with a pointed head and many teeth. It is covered …
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 73–96 of 197
Electric eel
Electrophorus electricus
The electric eel has bare skin, no scales, and a very elongated body that is rounded …
European grayling
Thymallus thymallus
The distinctive features of the European grayling are its spindle-shaped body, its upper jaw that reaches …
European perch
Perca fluviatilis
The European perch has a laterally compressed body covered with dense, small ctenoid scales. It has …
Fallfish
Semotilus corporalis
The body of the fallfish is slender with a blunt, pointed head. There is a single …
Finescaled four-eyed fish
Anableps microlepis
Anableps: Greek, ana = up + Greek, blepo, blepsis, -eos = glance, sight.The elongated cylindrical body …
Fourspine stickleback
Apeltes quadracus
The fourspine stickleback possesses an elongated, fusiform body lacking scales. Typically, it exhibits four or five …
Frankfish
Gymnarchus niloticus
The Frankfish has a long and slender body. It possesses four small bony gills on both …
Ganges shark
Glyphis gangeticus
The Ganges shark is stocky, with two spineless dorsal fins and an anal fin. The snout …
Gar, Florida
Lepisosteus platyrhincus
The body of the Florida Gar is cigar-shaped with a broad, toothed snout. The single dorsal …
Gar, Longnose
Lepisosteus osseus
The body of the Long-billed Gar is long and slender. It has an elongated narrow bill …
Goldeye
Hiodon alosoides
The goldeye is a small fish with a compressed body that is deep in proportion to …
Goliath tigerfish
Hydrocynus goliath
The Goliath tigerfish has a body shape similar to a tuna's. Due to their predatory nature, …
Grass pickerel, Redfin pickerel
Esox americanus vermiculatus, Esox americanus americanus
Thin and cylindrical, grass and redfin pickerel look very similar to chain pickerel, with the same …
Grayling, Arctic
Thymallus arcticus
Graceful lines, large fins and spectacular coloration make the grayling a striking fish. The most striking …
Green terror
Andinoacara rivulatus, syn. Aequidens rivulatus.
The Green Terror is a stocky fish with a prominent forehead. In adult males, a pronounced …
Gudgeon
Gobio gobio
The Latin genus name Gobio comes from the word "goby," referring to its stocky shape and …
Herring
Clupea
Body compressed from the sides, with jagged edge of abdomen. Scales moderate or large, rarely small. …
Herring, Atlantic
Clupea harengus
The body is not high (its height is about 1/5 of body length). Head is comparatively …
Herring, Pacific
Clupea pallasii
The body is prostrate, compressed from the sides, covered with easily drooping scales. Abdomen rounded, ventral …
Honey sucker
Gyrinocheilus aymonieri
The scientific name was given in honour of the French linguist and explorer Étienne Aymonier (1844-1929).The …
Humpback whitefish
Coregonus pidschian
The body of the humpback whitefish becomes more pronounced with age, growing taller. A well-defined hump …
Ide
Leuciscus idus
The body of the ide is thick. It is distinguished by the following features: a shortened …
Inconnu
Stenodus leucichthys
The general shape of the inconnu's body is very similar to that of the charr or …