Mating behavior in three species of Pseudodiaptomus (Copepoda: Calanoida) |
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Authors: | C. A. Jacoby M. J. Youngbluth |
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Affiliation: | 1. Harbor Branch Foundation, Inc., R.R. 1, Box 196, 33450, Fort Pierce, Florida, USA
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Abstract: | Quantitative studies of mating behavior between conspecific and heterospecific pairs of three closely related species in the genus Pseudodiaptomus reveal differences in the timing of life-history events, species-specific attraction of mates, distinctive tactile cues, multiple spermatophore attachments, and gametic incomptibility or hybrid inviability. These differences may function as reproductive isolating mechanisms among calanoid copepods. Differences in breeding behaviors and associated morphological features are greater between sympatric than between allopatric species, indicating that selection reinforces both behavioral and morphological divergences. |
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