Development of a True Ovoviviparous Sea Star, Asterina pseudoexigua pacifica Hayashi.

@article{Komatsu1990DevelopmentOA,
  title={Development of a True Ovoviviparous Sea Star, Asterina pseudoexigua pacifica Hayashi.},
  author={Mi{\'e}ko Komatsu and Yasunobu Kano and Chutaro Oguro},
  journal={The Biological bulletin},
  year={1990},
  volume={179 3},
  pages={
          254-263
        }
}
  • Miéko Komatsu, Yasunobu Kano, Chutaro Oguro
  • Published in The Biological bulletin 1990
  • Biology, Medicine
  • Asterina pseudoexigua pacifica is a true ovoviviparous asteroid in that its development and metamorphosis occur within the spatial hermaphroditic gonad. From the middle of June to the middle of July, the gonad contains numerous embryos and juveniles in various stages through metamorphosis. The opaque, greenish yellow mature ovum is 450 μm in diameter. Development is direct. Embryos develop through wrinkled blastula and gastrula stages into a pear-shaped brachiolaria with three arms. The general… CONTINUE READING

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