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rivulus: Meaning and Definition of

riv•u•lus

Pronunciation: (riv'yu-lus), [key]
— pl. -lus.
  1. any of several killifishes of the genus Rivulus, native to small streams of tropical America, often kept in aquariums.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
rivulet rix-dollar
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