掃そう除じ魚うお

noun

cleaner fish

Refers to fish that remove parasites and dead skin from other fish, such as cleaner wrasses. Used in biology and aquarium contexts.

• 掃そう除じ魚うおは他ほかの魚さかなの寄き生せい虫ちゅうを食たべる。

  Cleaner fish eat parasites off other fish.