海かい水すい魚ぎょ

noun

saltwater fish; marine fish

Refers to fish that live in the sea, as opposed to freshwater fish (淡水魚). Common in everyday contexts such as cooking, aquariums, and biology.

• この水すい族ぞく館かんには珍めずらしい海かい水すい魚ぎょがたくさんいます。

  This aquarium has many rare saltwater fish.

• 海かい水すい魚ぎょは淡たん水すい魚ぎょより飼し育いくが難むずかしいと言いわれている。

  It is said that saltwater fish are harder to keep than freshwater fish.