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catadromous

[kuh-tad-ruh-muh s] /kəˈtæd rə məs/
adjective
1.
(of fish) migrating from fresh water to spawn in the sea, as eels of the genus Anguilla (distinguished from anadromous).
Origin
1880-1885
1880-85; cata- + -dromous
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for catadromous
  • These represent both anadromous and catadromous fish.
  • catadromous-Migrating from fresh water into the ocean to spawn.
  • Eels are a catadromous species that ascend freshwater environments as juveniles.
  • Diadromous fish include both anadromous and catadromous species.
British Dictionary definitions for catadromous

catadromous

/kəˈtædrəməs/
adjective
1.
(of fishes such as the eel) migrating down rivers to the sea in order to breed Compare anadromous
Word Origin
C19: from Greek katadromos, from kata- down + dromos, from dremein to run
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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