The black kokanee, or "kunimasu" in Japanese, was thought to have died out in 1940, when a hydroelectric project made its native lake in northern Akita Prefecture more acidic.
黑科卡尼，日语又称“kunimasu”，在1940年就被认为已经灭绝，那时秋田县北部的一个水电项目使得那里的天然湖波水质酸化。
The black kokanee, or "kunimasu" in Japanese, was thought to have died out in 1940, when a hydroelectric project made its native lake in northern Akita Prefecture more acidic.
黑科卡尼，日语又称“kunimasu”，在1940年就被认为已经灭绝，那时秋田县北部的一个水电项目使得那里的天然湖波水质酸化。
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