catadromous

A Dictionary of Zoology

catadromous Applied to the migratory behaviour of fish that spend most of their lives in freshwater but that travel to the sea in order to breed there (e.g. Anguilla anguilla (common eel) which breeds in the Sargasso Sea). Compare ANADROMOUS; POTAMODROMOUS. See also AMPHIDROMOUS; DIADROMOUS.

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© A Dictionary of Zoology 1999, originally published by Oxford University Press 1999.

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	catadromous catadromous Applied to the migratory behaviour of fish that spend most of their lives in fresh water but travel to the sea in order to breed... Read more
	catadromous fish catadromous fish Fish such as eels that live in fresh water and go to sea to spawn. Read more
	catadromous ca·tad·ro·mous / kəˈtadrəməs / • adj. Zool. (of a fish such as the eel) migrating down rivers to the sea to spawn. The opposite of anadromous . Read more
	— Catadromous — Diadromous and Anadromous Fishes Diadromous fishes describe species that spend part of their lives in freshwater and part in saltwater. There are two categories of diadromous fishes, catadromous and anadromous . Catadromous fishes hatch or are born in marine habitats, but migrate to ... Read more
	potamodromous potamodromous Applied to fish that undertake regular migrations in large freshwater systems. Compare ANADROMOUS ; CATADROMOUS . See also AMPHIDROMOUS ; DIADROMOUS . Read more

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