Reproductive biology of the sand dollar,Peronella lesueuri(L. Agassiz, 1841) (Echinoidea: Clypeasteroida: Laganidae), in south-western Australia

@inproceedings{Yeo2015ReproductiveBO,
  title={Reproductive biology of the sand dollar,Peronella lesueuri(L. Agassiz, 1841) (Echinoidea: Clypeasteroida: Laganidae), in south-western Australia},
  author={Sharon Yeo and John K. Keesing and Mike van Keulen},
  year={2015}
}
The reproductive biology of the sand dollar Peronella lesueuri was studied between 2009 and 2011 in Cockburn Sound, a large coastal embayment in south-western Australia. Individuals of P. lesueuri did not display sexual size-dimorphism, and the population was found to have a sex ratio of 1:1. Maturity occurred over the range of 80–115 mm with all sand dollars larger than 115 mm having distinct gonads. Monthly histological analysis of gonads and changes in oocyte proportions over time indicated… CONTINUE READING