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  • This is a female Discoplax hirtipes terrestrial crab disseminating her brood of fertilized eggs into shallow water during full moon. The crab waited on land at Ngeremdiu Beach for the evening high tide. She entered the water as the tide turned to go out and released her eggs. Once she committed to releasing eggs, it was only a matter of seconds before she completed her task and headed back to the safety of her underground burrow. See separate photograph of the crab eggs in the water.
    female-land-crab-releasing-eggs-pala...tif
  • This is a cloud of crab larvae, just after release in shallow water by a female land crab (Discoplax hirtipes). At 100% magnification, the individual larva are easily distinguishable. See separate image of female crab in the act of releasing these eggs/ larvae into the water. Photographed at Ngeremdiu Beach, Ngeruktabel Island in Palau.
    crab-larvae-zoea-Discoplax-hirtipes-...tif
  • This is a cloud of crab larvae, just after release in shallow water by a female land crab (Discoplax hirtipes). At 100% magnification, the individual larva are easily distinguishable. See separate image of female crab in the act of releasing these eggs/ larvae into the water. Photographed at Ngeremdiu Beach, Ngeruktabel Island in Palau.
    crab-larvae-zoea-Discoplax-hirtipes-...tif
  • Malcolm was our cook during the kayak expedition. Here he is holding a large male land crab (Discoplax hirtipes) at our second campsite, which was at Ngeremdiu Beach. Malcolm told me that female crabs migrate from land to the water to release their brood at the turning of the high tide during full moon. We saw a few females releasing eggs here at Ngeremdiu Beach, and also at the next campsite on Ngchuus Beach. See separate photos of female crab releasing eggs, and of the resulting zoea.
    terrestrial-crab-discoplax-hirtipes-...tif
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Tony Wu Underwater Photography

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