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catadromous

   Also found in: Encyclopedia, Wikipedia 0.03 sec.
ca·tad·ro·mous  (k-tdr-ms)
adj.
Living in fresh water but migrating to marine waters to breed. Used of fish.

catadromous [kəˈtædrəməs]
adj
(Life Sciences & Allied Applications / Zoology) (of fishes such as the eel) migrating down rivers to the sea in order to breed Compare anadromous
[from Greek katadromos, from kata- down + dromos, from dremein to run]

catadromous
a term describing fish that migrate downriver to spawn.
See also: Fish
ThesaurusLegend:  Synonyms Related Words Antonyms
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


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? Mentioned in ? References in periodicals archive
 
Also known as palmer and giant perch (it's related to Africa's Nile perch, which can grow to mammoth proportions), the barramundi is a catadromous fish, spending most of its life cycle in freshwater but traveling to the brackish river mouths and estuaries to spawn.
Catadromous refers to any fresh water fish that migrates to the ocean to spawn.
Catadromous fish -- those that are born in the ocean, migrate to fresh water and return to the ocean to spawn -- are common in the tropics.
 
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