暖だん海かい

noun

warm sea

Refers to a sea or ocean region with warm water, often in contrast to cold seas. Used in scientific, geographical, or descriptive contexts.

• 暖だん海かいに生せい息そくする魚さかなは種しゅ類るいが豊ほう富ふだ。

  There is a wide variety of fish that live in warm seas.