catadromous Hear it!

catadromous definition

ca·tadro·mous (kə tad′rə məs)

adjective

going back to or toward the sea to spawn: said of certain freshwater fishes

Etymology: cata- + -dromous

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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