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 1–12 of 12

Coregonus autumnalis

The back of the Arctic cisco is rather high and slightly curved. The pelvis has an …

Coregonus laurettae

The Bering cisco has an elongated, compressed body. It is distinguished from the Arctic cisco (Coregonus …

Coregonus spp

Characterised by a thick dorsal fin and a split tail, the cisco has a terminal mouth …

Esox americanus vermiculatus, Esox americanus americanus

Thin and cylindrical, grass and redfin pickerel look very similar to chain pickerel, with the same …

Coregonus pidschian

The body of the humpback whitefish becomes more pronounced with age, growing taller. A well-defined hump …

Coregonus sardinella

The body of the Least Cisco is elongated, somewhat compressed at the sides, with the greatest …

Esox masquinongy

The muskellunge has an arrow-shaped body, long and smooth. The single dorsal fin with soft rays …

Esox masquinongy x Esox lucius

Tiger muskellunge was thought to be a separate species until scientists were able to cross northern …

Coregonus peled

The peled can be easily distinguished from other whitefish by its terminal mouth, in which the …

Esox niger

With its long, slender body, chain pickerel resembles northern pike and muskellunge, especially when young. It …

Esox lucius

The northern pike has an elongated body and head. The snout is broad and flat, resembling …

Coregonus clupeaformis

A slender, elongated species, the lake whitefish is silvery white with an olive or pale greenish-brown …