Cisco
Coregonus spp
Characterised by a thick dorsal fin and a split tail, the cisco has a terminal mouth …
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 136
Coregonus spp
Characterised by a thick dorsal fin and a split tail, the cisco has a terminal mouth …
Anabas testudineus
The body is slightly elongated, with straight back and sides, the head is rather large. It …
Pomoxis nigromaculatus
The black crappie and white crappie are similar in colour, ranging from silvery olive to bronze …
Pomoxis annularus
White crappie and black crappie are the same colour, ranging from silvery olive to bronze with …
Salvelinus malma
The body of the Dolly Varden trout is elongated, somewhat rounded, with the greatest depth of …
Salvelinus malma, Salvelinus confluentus
These two char species, as well as Arctic char, are difficult to distinguish by appearance alone, …
Mormyrus longirostris
The eastern bottle-nosed mormyrid has such a distinctive appearance that it cannot be confused with any …
Anguilla rostrata
The body is elongated and snake-like, with a pointed head and many teeth. It is covered …
Electrophorus electricus
The electric eel has bare skin, no scales, and a very elongated body that is rounded …
Thymallus thymallus
The distinctive features of the European grayling are its spindle-shaped body, its upper jaw that reaches …
Perca fluviatilis
The European perch has a laterally compressed body covered with dense, small ctenoid scales. It has …
Semotilus corporalis
The body of the fallfish is slender with a blunt, pointed head. There is a single …
Gymnarchus niloticus
The Frankfish has a long and slender body. It possesses four small bony gills on both …
Glyphis gangeticus
The Ganges shark is stocky, with two spineless dorsal fins and an anal fin. The snout …
Lepisosteus platyrhincus
The body of the Florida Gar is cigar-shaped with a broad, toothed snout. The single dorsal …
Lepisosteus osseus
The body of the Long-billed Gar is long and slender. It has an elongated narrow bill …
Hiodon alosoides
The goldeye is a small fish with a compressed body that is deep in proportion to …
Hydrocynus goliath
The Goliath tigerfish has a body shape similar to a tuna's. Due to their predatory nature, …
Esox americanus vermiculatus, Esox americanus americanus
Thin and cylindrical, grass and redfin pickerel look very similar to chain pickerel, with the same …
Thymallus arcticus
Graceful lines, large fins and spectacular coloration make the grayling a striking fish. The most striking …
Andinoacara rivulatus, syn. Aequidens rivulatus.
The Green Terror is a stocky fish with a prominent forehead. In adult males, a pronounced …
Clupea pallasii
The body is prostrate, compressed from the sides, covered with easily drooping scales. Abdomen rounded, ventral …
Leuciscus idus
The body of the ide is thick. It is distinguished by the following features: a shortened …
Stenodus leucichthys
The general shape of the inconnu's body is very similar to that of the charr or …