Artbastarde in der GattungTilapia (Cichlidae,Teleostei) und ihr Verhalten |
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Authors: | H M Peters M Brestowsky |
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Institution: | (1) Zoophysiologische Institut der Universität Tübingen, Germany |
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Abstract: | 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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