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Related to catadromous: diadromous, Fish migration


Living in fresh water but migrating to marine waters to breed. Used of fish.


(kəˈtædrəməs) or


(Zoology) (of fishes such as the eel) migrating down rivers to the sea in order to breed. Compare anadromous
[C19: from Greek katadromos, from kata- down + dromos, from dremein to run]


(kəˈtæd rə məs)

(of fish) migrating from fresh water to spawn in the sea (disting. from anadromous).
[1880–85; cata- + -dromous]


a term describing fish that migrate downriver to spawn.
See also: Fish
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.catadromous - migrating from fresh water to the sea to spawn
anadromous - migrating from the sea to fresh water to spawn
diadromous - (used of fish) migratory between fresh and salt waters
References in periodicals archive ?
A diadromous life history includes catadromous species (species that migrate from freshwater to the sea as adults to spawn, e.
Pollard DA (1972) The biology of a landlocked form of the normally catadromous salmon-form fish Galaxias maculates (Yenys) with structure of the gonads.
Members of the six species of the "boucourti group" of Callinectes are catadromous, are larger as adults, are found in the lowest salinity water of estuaries, and grow to the largest size, whereas species of the other three groups, "danae," (five species); "marginatus," (two species); and "gladiator" (one species) are smaller as adults and occur in higher and constant salinities (Norse & Fox-Norse 1982).
In a recent review about skipped spawning, the presence of this phenomenon was reported for at least 31 species, including marine teleosts (demersal and pelagic), freshwater fish, and anadromous and catadromous species (Rideout and Tomkiewicz, 2011).
Among the topics are the history of fish migration research, life histories of catadromous fishes, microchemical and schlero-chronological analyses used to infer fish migration, using drift nets to infer fish transport and migration strategies in inland aquatic ecosystems, and archival and pop-up satellite archival tags for investigating oceanodromous fish movements.
EPA detected the presence of American eel, a catadromous species, and determined that the American shad and blueback herring--both anadromous species--are capable of using Hurricane Creek.
Freshwater eels of the genus Anguilla are catadromous fish with long spawning migrations expanding from a few hundred for tropical eels to thousands of kilometers for temperate ones (Aoyama 2009).
American eel are facultative catadromous species that have a life cycle that encompasses thousands of kilometers to complete (USFWS, 2011a).
Catadromous like eels, bekti spend much of their lives in fresh water but lay their eggs in shallow ocean water and estuaries.
Habitat related variations in fatty acids of catadromous Galaxias maculatus.