Sexual selection vs ecological causation in a sexually dimorphic caecilian, Schistometopum thomense (Amphibia Gymnophiona Caeciliidae)

@inproceedings{Deltre2004SexualSV,
  title={Sexual selection vs ecological causation in a sexually dimorphic caecilian, Schistometopum thomense (Amphibia Gymnophiona Caeciliidae)},
  author={Marc Del{\^e}tre and G John Measey},
  year={2004}
}
Determination of the proximate cause of sexual dimorphism remains difficult, especially when trying to discriminate between sexual selection and ecological causation. A clear rejection of one of these hypotheses would advance the direction of future investigations, especially for cryptic and/or subterranean species. Sexual dimorphism in head size, but not body size, is confirmed for Schistometopum thomense, a fossorial caecilian from the island of São Tomé, in the Gulf of Guinea. However, a… CONTINUE READING

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