Environmental Biology of Fishes

, Volume 11, Issue 1, pp 21–28 | Cite as

Morphological and behavioral embryology and spontaneous diapause in the African killifish, Aphyosemion gardneri

  • William Kroll


A brief description of the morphological and behavioral development of embryos of the African killifish, Aphyosemion gardneri, is presented. Most embryos spontaneously entered a period of prolonged, reversible developmental arrest of variable duration at the pre-hatching interval. This is presumed to be an adaptation to the unstable natural habitat of this group of fishes. Aspects of the pre-hatching arrest of A. gardneri and the annual Austrofundulus myersi are compared.


Annual Non-annual and ‚transitional’ killifish Escape egg Multiplier effect Cyrinodontid 


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Copyright information

© Dr W. Junk Publishers 1984

Authors and Affiliations

  • William Kroll
    • 1
  1. 1.Department of BiologyIndiana UniversityBloomingtonU.S.A.

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