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From cata- + -dromous, by analogy with anadromous. Compare catanadromous.
Etymology from Wiktionary, CC BY-SA 4.0.
catadromous
Today it means: Living in fresh water as an adult, but breeding in the sea. Full definition →
Today it means: Living in fresh water as an adult, but breeding in the sea. Full definition →
From cata- + -dromous, by analogy with anadromous. Compare catanadromous.
Etymology from Wiktionary, CC BY-SA 4.0.