陸りく封ふう型がた

noun

landlocked variety (of fish)

Technical term in biology/ecology for a fish population that is confined to freshwater and does not migrate to the sea, often contrasted with anadromous or sea-run forms.

• この湖みずうみにはサクラマスの陸りく封ふう型がたが生せい息そくしている。

  A landlocked variety of cherry salmon inhabits this lake.