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The reproductive biology and gamete interaction in the freshwater prawn Macrobrachium rosenbergii



The reproductive biology and gamete interaction in the freshwater prawn Macrobrachium rosenbergii



Dissertation Abstracts International, B 42(9): 3545



Sperm and egg structure are described. Eggs were spawned through an externally held spermatophore following the s ovigerous moult and mating. Spermatozoa attached to eggs (up to 5 per egg) base-first, with the spike of the spermatozoon orientated perpendicularly to the investment coat. Within 15 seconds, the spike bent at the base, and contacted the investment coat. The spike penetrated the investment coat, the base was inverted, and fertilization occurred within 2 min.

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Accession: 001271161

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