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A morphological examination of sperm-egg interaction in the freshwater prawn, Macrobrachium rosenbergii



A morphological examination of sperm-egg interaction in the freshwater prawn, Macrobrachium rosenbergii



Biological Bulletin (Woods Hole): 1643: 446-458



Eggs covered with a 2-layered investment were spawned through an externally held spermatophore after vigorous moulting and mating of the female. Mature spermatozoa attached to the egg (<5 per egg) base first, with the spike oriented perpendicularly to the investment. Within 15 s the spike bent at the base and contacted the investment. The spike penetrated the investment, the base was inverted, and fertilization occurred within 2 min after spawning.

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Accession: 001038612

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DOI: 10.2307/1541254



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