Electric organ discharges of the weakly electric fishGymnarchus niloticus (mormyriformes) in its natural habitat |
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| Authors: | P Moller J Serrier P Belbenoit |
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| Institution: | (1) Hunter College of the City University of New York, Central Park West at 79th Street, 1024 New York, N. Y., USA;(2) Department of Animal Behavior, American Museum of Natural History, Central Park West at 79th Street, 1024 New York, N. Y., USA;(3) Centre National de la Recherche Scientifique, Laboratoire de Physiologie Nerveuse, Gif-sur-Yvette, France |
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| Abstract: | Summary Electric organ discharges (EODs) ofGymnarchus niloticus in its natural habitat (Chari River, Chad Basin) and accompanying ecological data (pH, conductivity, temperature, turbidity, O2 dissolved) were recorded. The EOD frequencies ranged from 204 to 313 Hz (day) and 196–326 Hz (night). In social swimming the range of interfish EOD frequency differences was from 4 to 82 Hz. The EOD frequency seems to decrease with the age of the fish.Supported by CUNY/RF No. 10748; Hunter College; American Philosophical Society, Penrose Fund No. 7135.Supported by C. N. R. S./R. C. P. |
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