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Artbastarde in der GattungTilapia (Cichlidae, Teleostei) und ihr Verhalten

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Summary

The young ofTilapia mossambica (mouth-brooder) show a characteristic ‘contact-behaviour’, which is related to the behaviour of the mother fish, who takes them back into the mouth cavity in cases of disturbance. This contacting is lacking in the young ofTilapia tholloni (substrate spawner). Contacting, as studied in our experiments with models, is genetically determined and is dominant over thetholloni pattern in the crossT. mossambica ♂ ×T. tholloni ♀.

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Literatur

  1. P. J. Whitehead, Nature187, 878 (1960).

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  2. E. Trewavas undP. H. Greenwood, Nature188, 868 (1960).

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  3. Bezüglich der Mitteilung vonA. Yashouv undJ. Chervinsky,Hybrids of Tilapia nilotica and T. galilaea, Nature184, 1739 (1959) ist zu sagen, dass es Herr Dr.Yashouv nachträglich doch für nicht genügend gesichert hält, dass tatsächlich Bastarde vorgelegen haben (persönliche Auskunft).

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  4. Eine Auseinandersetzung mit der Literatur und der Anschluss an eigene frühere Arbeiten (Peters) müssen einer grösseren Publikation vorbehalten bleiben. Man vgl. etwaBaerends undBaerends-van Roon (Behaviour Suppl. I, 1950).

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Authors and Affiliations

  1. Zoophysiologische Institut der Universität Tübingen, Germany

    H. M. Peters & M. Brestowsky

Authors
  1. H. M. Peters
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  2. M. Brestowsky
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Peters, H.M., Brestowsky, M. Artbastarde in der GattungTilapia (Cichlidae, Teleostei) und ihr Verhalten. Experientia 17, 261–263 (1961). https://doi.org/10.1007/BF02161430

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  • DOI: https://doi.org/10.1007/BF02161430

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