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Sperm modifications in inseminating ostariophysan fishes, with new documentation of inseminating species
Burns, J.R.; Weitzman, S.H.; Malabarba, L.R.; Meisner, A.D. (2000). Sperm modifications in inseminating ostariophysan fishes, with new documentation of inseminating species, in: Norberg, B. et al. (Ed.) Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. pp. 255
In: Norberg, B. et al. (2000). Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. International Symposium on the Reproductive Physiology of Fish, 6. Department of Fisheries and Marine Biology, University of Bergen: Bergen. ISBN 82-7461-048-2. 499 pp., more
In: International Symposium on the Reproductive Physiology of Fish. Museo Nacional de Ciencias Naturales. , more
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Keyword
    Marine/Coastal
Authors  Top 
  • Burns, J.R.
  • Weitzman, S.H.
  • Malabarba, L.R.
  • Meisner, A.D.
Abstract
    Based on the histological demonstration of spermatozoa within the ovaries, the occurrence of insemination is reported in six characiform and one siluriform species previously not documented. The sperm nuclei of these species, as well as those of two inseminating siluriform species of the family Auchenipteridae, ranged from slightly ovoid to greatly elongate, modifications which appear to be adaptations to this reproductive mode.
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