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Smelts are a family of small fish, the Osmeridae, found in the North Atlantic and North Pacific oceans, as well as rivers, streams and lakes in Europe, North America and Northeast Asia. They are also known as freshwater smelts or typical smelts to distinguish them from the related Argentinidae (herring smelts or argentines), Bathylagidae (deep ...
The delta smelt (Hypomesus transpacificus) is an endangered [1] slender-bodied smelt, about 5 to 7 cm (2.0 to 2.8 in) long, in the family Osmeridae.Endemic to the upper Sacramento-San Joaquin Estuary of California, it mainly inhabits the freshwater-saltwater mixing zone of the estuary, except during its spawning season, when it migrates upstream to fresh water following winter "first flush ...
The Osmeriformes / ɒ s ˈ m ɛ r ɪ f ɔːr m iː z / are an order of ray-finned fish that includes the true or freshwater smelts and allies, such as the galaxiids and noodlefishes; they are also collectively called osmeriforms.
The rainbow smelt (Osmerus mordax) is a North American species of fish of the family Osmeridae. Walleye, trout, and other larger fish prey on these smelt.The rainbow smelt prefer juvenile ciscoes, zooplankton such as calanoid copepods (Leptodiaptomus ashlandi, L. minutus, L. sicilis), and other small organisms, but are aggressive and will eat almost any fish they find.
The Pacific rainbow smelt (Osmerus dentex), also known as the Arctic rainbow smelt or cucumber fish in Japan, [citation needed] is a North Pacific species of fish of the family Osmeridae. The fish usually lives in marine and brackish environment, with a wide distribution from North Korea, Sea of Okhotsk to Bering Sea and British Columbia. [2]
Family: Osmeridae: Genus: Hypomesus T. N. Gill, 1862: Hypomesus is a genus of smelts , consisting of five species found in the northern hemisphere. Species
The body of the European smelt is typically 15 to 18 cm (5.9 to 7.1 in) long, slender and slightly flattened on either side. Larger fish may reach 30 cm (12 in) in length.
There are currently four recognized species in this genus: [2] Osmerus eperlanus (Linnaeus, 1758) (European smelt); Osmerus mordax (Mitchill, 1814). Osmerus mordax dentex Steindachner & Kner, 1870 (Arctic rainbow smelt)