水すい生せい動どう物ぶつ

noun

aquatic animal; aquatic fauna

Refers to animals living in water, including both freshwater and marine species. Often used in biological or ecological contexts.

• 水すい生せい動どう物ぶつには魚さかなやクジラなどが含ふくまれる。

  Aquatic animals include fish, whales, and so on.

• この湖みずうみには多おおくの水すい生せい動どう物ぶつが