Hypomesus nipponensis

The wakasagi, Hypomesus nipponensis, is an important food fish native to the lakes and estuaries of Hokkaido, Japan. It has been introduced in other locations, including the San Francisco Delta of the United States. It is raised in fisheries, and is very similar in appearance to the delta smelt (H. transpacificus).

Hypomesus nipponensis

The wakasagi, Hypomesus nipponensis, is an important food fish native to the lakes and estuaries of Hokkaido, Japan. It has been introduced in other locations, including the San Francisco Delta of the United States. It is raised in fisheries, and is very similar in appearance to the delta smelt (H. transpacificus).