Rainbow Smelt

About the Rainbow Smelt

The rainbow smelt is a slender, silvery fish, often displaying beautiful iridescent purple, pink, and green hues along its sides, earning it its common name. A key identifier is the presence of an adipose fin, situated between its dorsal and tail fins. They possess a large mouth, extending beyond the middle of the eye, equipped with sharp, small teeth. Typically growing to 6-9 inches, these fish are a favorite among anglers.

Source: FishBase & iNaturalist

Habitat

These versatile fish can be found in a variety of aquatic environments. While many populations are anadromous, living in saltwater and migrating to freshwater to spawn, numerous landlocked populations thrive in inland lakes. They prefer cool, clear waters, often dwelling in deeper lake sections during warmer months and moving into shallower areas or rivers for spawning runs.

Distribution

Native to circumpolar regions of the Northern Hemisphere, rainbow smelt are found along the Atlantic and Pacific coasts of North America. They have been widely introduced, most notably into the Great Lakes system, and have since spread extensively to numerous other inland waters across the continent.

Behaviour

Rainbow smelt are aggressive and opportunistic feeders, primarily preying on zooplankton, small crustaceans, and the fry of other fish species, including ciscoes. They typically move and feed in large schools, especially during nocturnal forays and their distinctive spawning migrations. During winter, they remain active under the ice, providing excellent angling opportunities, and undertake significant upstream migrations into rivers and streams for spawning in early spring, often right after ice-out.

Edibility

★★★★★

Rainbow smelt are highly prized for their delicate, sweet flavor and tender, flaky white meat. They are exceptional when fried whole, providing a crispy texture that makes them a seasonal culinary delight.

Lure suggestion

For ice fishing, small jigs tipped with a tiny piece of cut bait (like another smelt or minnow) or scented plastics are incredibly effective. During their vigorous spawning runs, anglers can achieve great success by jigging small spoons or multi-hook Sabiki-style rigs, often enhanced by using a light source at night. Chumming with crushed smelt is also a proven method to attract and hold schools in your fishing area.