catadromous

Definition

Living in fresh water as an adult, but breeding in the sea.

Etymology

From cata- + -dromous, by analogy with anadromous. Compare catanadromous.

Example Sentences

• "Bird migration routes favor marshes and river valleys, as do, more obviously, the movement of anadromous salmon and, the mirror image, catadromous eels, to mention only two of the numerous migrating fish species."

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