title: Cave-dwelling fish provide clues to the circadian cycle.
authors: mejia@nasw.org
authors: Robin
authors: R
authors: Mejia
mesh_terms: D000818:Animals; D057906:Circadian Clocks / Q000502:physiology*; D002940:Circadian Rhythm / Q000502:physiology*; D055355:Opsins / Q000378:metabolism*; D020419:Photoreceptor Cells, Vertebrate / Q000502:physiology*; D015027:Zebrafish / Q000502:physiology*
chemical_list: D055355:Opsins