Asexual reproduction by oceanic planktotrophic echinoderm larvae

  title={Asexual reproduction by oceanic planktotrophic echinoderm larvae},
  author={Isidro Bosch and Richard B. Rivkin and Stephen P. Alexander},
Cloning among metazoan larvae is rare and generally restricted to a few phyla with parasitic or colonial life-histories. Echinoderms are all non-colonial animals, and although cloning is well docu-mented for some adults, its occurrence in larval stages has not been previously observed1–3. Here we describe a novel mode of cloning by fission in planktotrophic bipinnaria larvae of the sea star Luidia sp. from the Sargasso Sea and the Gulf Stream. Reproductive larvae were widely distributed… CONTINUE READING