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

Family Xanthidae
updated Oct 2016
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 and grey.

Terumbu Pempang Tengah, May 11

St. John's Island, May 06

Tanah Merah, Nov 11

Lumpy rock crabs on Singapore shores

Photos of Lumpy rock crabs for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map

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

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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