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Mating behavior and cytogenetical aspects of sex-inversion in the fishCoris julis L. (Labridae, Teleostii)

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Summary

It was observed that in the fishCoris julis L., in its natural environment, both primary and secondary males take part in reproduction. Chromosome studies showed 23 homologous chromosome pairs, which are identical in males and females, and a variable 24th pair. The heteromorphism of this pair is identical in secondary males and in the majority of females; these are presumably the females that can undergo sex inversion. Primary males show a different heteromorphism of the same pair.

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Authors and Affiliations

  1. Humangenetik, Departement Forschung der Universitätskliniken, Kantonsspital, CH-4031, Basel

    B. Duchac, F. Huber, Hj. Müller & D. Senn

  2. Zoologische Anstalt der Universität, CH-4031, Basel, Switzerland

    B. Duchac, F. Huber, Hj. Müller & D. Senn

Authors
  1. B. Duchac
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  2. F. Huber
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  3. Hj. Müller
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  4. D. Senn
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Duchac, B., Huber, F., Müller, H. et al. Mating behavior and cytogenetical aspects of sex-inversion in the fishCoris julis L. (Labridae, Teleostii). Experientia 38, 809–811 (1982). https://doi.org/10.1007/BF01972285

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  • DOI: https://doi.org/10.1007/BF01972285

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