Comparative biology of the crab Goniopsis cruentata: geographic variation of body size, sexual maturity, and allometric growth

  title={Comparative biology of the crab Goniopsis cruentata: geographic variation of body size, sexual maturity, and allometric growth},
  author={Jos{\'e} J Lira and T. C. S. Calado and Carla Ferreira Rezende and Jos{\'e} R F Silva},
  journal={Helgoland Marine Research},
Abstract Geographic variation of phenotypic traits is common across species and is often associated with variation in environmental conditions. Here, we found larger bodies and larger size at maturity in a northward, lower latitude population of the crab Goniopsis cruentata, which inhabits a hotter, drier environment in comparison with a southward, higher latitude population. Furthermore, the juvenile male gonopods grow more relative to body size in the population characterized by maturation at… Expand
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