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| crabs text index | photo index |
| Phylum Arthropoda > Subphylum Crustacea > Class Malacostraca > Order Decapoda > Brachyurans > Family Portunidae |
| Blood-spotted
swimming crab Portunus sanguinolentus* Family Portunidae updated Dec 2019 Where seen? This oddly marked swimming crab is not often encountered on the intertidal. Features: Body somewhat fan-shaped, with 9 spines on the sides. The eyes not far apart. Last pair of legs are paddle-shaped and rotate like boat propellers. Body with three large red spots. |
 Kusu Island, Jun 15 |
*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.
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Acknowelegements Grateful thanks to Marcus Ng for the photo and Dr Joelle Lai for the identification. Links
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