Precopulatory stabbing, hypodermic injections and unilateral copulations in a hermaphroditic sea slug

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Precopulatory stabbing, hypodermic injections and unilateral copulations in a hermaphroditic sea slug.

Reciprocity constitutes the prevalent mating mechanism among simultaneous hermaphrodites. Yet, when copulations in the female role confer fitness costs through male manipulation, it becomes advantageous sometimes to mate unilaterally in the male role only. In the sea slug Siphopteron quadrispinosum, acting males stab their partner with a bipartite penis, which not only hypodermically injects pr...

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ژورنال

عنوان ژورنال: Biology Letters

سال: 2007

ISSN: 1744-9561,1744-957X

DOI: 10.1098/rsbl.2006.0596