Fin's Fish Guide
The American smelt (Osmerus mordax) is a fish that lives in both fresh and salt water of the family Osmeridae that grows up to 36 cm.
Description
The rainbow smelt (Osmerus mordax) is a slender smelt of the family Osmeridae from North America. The species has a streamlined, silvery body with an iridescent, rainbow-like sheen along the flank and reaches about 36 cm. It is a schooling fish living in clear, cool water in lakes, medium to large rivers and coastal waters; many populations are migratory and spawn in fresh water in spring. It feeds on zooplankton and small fishes. Freshly caught the fish smells characteristically of cucumber. The rainbow smelt is a valued sport and food fish caught with nets and rods.
Frequently asked questions
How do you recognise the American smelt?
The American smelt has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Iridescent rainbow sheen; smells fresh of cucumber.
Where does the American smelt live?
The American smelt lives in both fresh and salt water and is mostly found around open water. Lakes, rivers and coastal waters of northern North America.
How big does the American smelt get?
The American smelt grows to a maximum of about 36 cm.
Is the American smelt dangerous to humans?
No, the American smelt is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the American smelt edible?
Yes, the American smelt is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Osmerus
More from the family Osmeridae
Want the complete picture on the American smelt?
Point your camera at the fish and Fin names the species in seconds. Free, and the American smelt is one of 12,519 species in the app.