Hypomesus nipponensis (Japanese smelt, in Japanese: wakasagi[2]) is a commercial food fish native to the lakes and estuaries of northern Honshu and Hokkaido, Japan, Korea, and Sakhalin, Khabarovsk Krai, and Primorsky Krai, Russia. [1]

Wakasagi are pelagic plankton feeders found in open lakes, streams and reservoirs. They can survive in a wide range of temperatures (2-29°C) and salinities (0-29 ppt).

The Wakasagi (Hypomesus nipponensis) is a freshwater and brackish water fish native to eastern Russia, the Korean Peninsula, and areas of Japan. H. nipponensis supports both commercial and recreational fisheries.

Means of Introduction: Wakasagi were intentionally introduced in 1959 from Japan by the California Department of Fish and Game as an experimental forage fish for trout (Wales 1962; Moyle 1976b; Dill and Cordone 1997).

Jan 27, 2023 · The Wakasagi (Hypomesus nipponensis), also known as Japanese Smelt, is in the same genus as Delta Smelt, and was once thought to be the same species. It is native to Japan, but was introduced to reservoirs in California by the California Department of Fish and Game in the 1950s, and now it is established throughout the watershed, including the ...

Wakasagi or Japanese Pond Smelt (Hypomesus nipponensis) is native to Japan and was common as a hatchery raised fish. It was intentionally introduced to several California reservoirs as a forage fish for game fish.

Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.

The Wakasagi (Hypomesus nipponensis) is a freshwater and brackish water fish native to eastern Russia, the Korean Peninsula, and areas of Japan. H. nipponensis supports both commercial and recreational fisheries.

ワカサギには海で成長して秋に河川に上り産卵するものと、湖などに陸封されたものがいる。 北海道ではほとんどを海で生活し、春に河川を遡上し、産卵するものも。 北海道では春から初夏。 産卵後は一年で死ぬものが多いが、2年生きるものもいる。 ワカサギの尻ビレの前方端（赤）は背ビレの端（黒）よりも前にある。 ワカサギは海から汽水域、淡水でも生きていける。 チカは逆に尻ビレの前方端（赤）が後方にあるのだ。 （赤／尻ビレの線 黒／背ビレの線） チカは …

Wakasagi (Hypomesus nipponensis) are an introduced forage fish native to Japan that were previously separated from their endangered congener the Delta Smelt (Hypomesus transpacificus) until they were introduced into CA reservoirs in the 20th century as bait fish.