Fin's Fish Guide
The Frost fish (Prosopium cylindraceum) is a brackish-water fish of the family Salmonidae that grows up to 59 cm.
Description
The round whitefish is a whitefish (Salmonidae) from North America and northeastern Asia. The species has a slender, almost round, silvery body with a small adipose fin between the dorsal and tail fins, characteristic of salmonids. It lives in shallow parts of cold lakes and clear streams and rarely enters brackish water. As a bottom hunter it feeds on insect larvae, small crustaceans, molluscs and fish eggs. It is a food fish. The species is harmless to humans.
Frequently asked questions
How do you recognise the Frost fish?
The Frost fish has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Slender, almost round silvery body with an adipose fin; bottom-dwelling whitefish of cold northern waters.
Where does the Frost fish live?
The Frost fish lives in brackish water and is mostly found around mixed bottom. North America and Northeast Asia; cold lakes and streams.
How big does the Frost fish get?
The Frost fish grows to a maximum of about 59 cm. On average the species is around 29 cm.
Is the Frost fish dangerous to humans?
No, the Frost fish is harmless to humans. None required: this species is harmless to humans.
Is the Frost fish edible?
Yes, the Frost fish is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Prosopium
More from the family Salmonidae
Want the complete picture on the Frost fish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Frost fish is one of 12,519 species in the app.