title: Differential courtship activity of competing guppy males (Poecilia reticulata Peters; Pisces: Poeciliidae) as an indicator for low concentrations of aquatic pollutants.
mesh_terms: D000818:Animals; D005260:Female; D005399:Fishes / Q000502:physiology*; D001556:Hexachlorocyclohexane / Q000633:toxicity; D008297:Male; D012726:Sexual Behavior, Animal / Q000187:drug effects*; D014873:Water Pollutants / Q000633:toxicity*; D014874:Water Pollutants, Chemical / Q000633:toxicity*
chemical_list: D014873:Water Pollutants; D014874:Water Pollutants, Chemical; D001556:Hexachlorocyclohexane