title: Biologists unlock chemical clues to courtship in swordtail fish urine.
mesh_terms: D000818:Animals; D003532:Cyprinodontiformes / Q000502:physiology / Q000652:urine*; D005260:Female; D008297:Male; D012724:Sex Attractants / Q000378:metabolism / Q000652:urine*; D012726:Sexual Behavior, Animal / Q000502:physiology
chemical_list: D012724:Sex Attractants