Catadromous
[kә'tædrәmәs]
Definition
(a.) Having the lowest inferior segment of a pinna nearer the rachis than the lowest superior one; -- said of a mode of branching in ferns, and opposed to anadromous.
(a.) Living in fresh water, and going to the sea to spawn; -- opposed to anadromous, and said of the eel.
Checked by Debs
Definition
adj. of fishes descending periodically for spawning to the lower parts of a river or to the sea.
Checker: Osbert