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Phylum Arthropoda > Subphylum Crustacea > Class Malacostraca > Order Decapoda > Brachyurans > Family Xanthidae
Lumpy rock crab
Euxanthus exsculptus

Family Xanthidae
updated Sep 2019
Where seen? Resembling a small lumpy rock, this slow moving crab is sometimes seen among coral rubble and near living reefs. 'Exsculptus' means 'carved' in Latin.

Features: Body width 3-5cm. Body somewhat rectangular, with short pincers. Body and pincers are densely covered with smooth lumps and bumps. Pincers very short with dark tips, and folds under the body. Walking legs not hairy, with pointy tips. In various colours often mottled shades of brown, beige, grey.

St. John's Island, May 06

Terumbu Pempang Tengah, May 11

Underside.

Lumpy rock crabs on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores


Big Sisters Island, Oct 11
Photo shared by Marcus Ng on flickr.


Big Sisters Island, Sep 20
Photo shared by Loh Kok Sheng on facebook.

Big Sisters Island, Sep 20
Photo shared by Loh Kok Sheng on facebook.


Pulau Hantu, May 19
Photo shared by Joleen Chan on facebook.

Pulau Semakau, Jun 11
Photo shared by Loh Kok Sheng on flickr.
 


Sisters Island, Feb 13
Photo shared by Loh Kok Sheng on his blog.

Raffles Lighthouse, Nov 16
Photo shared by Loh Kok Sheng on facebook.

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