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Phylum Arthropoda > Subphylum Crustacea > Class Malacostraca > Order Decapoda > Brachyurans
Spotted reef crab
Carpilius maculatus
Family Carpiliidae
updated Dec 12

Where seen? The single spotted reef crab we saw was caught in a drift net on Sisters Island.

Features: Body width to about 9cm. This crab has a distinctive pattern of large spots on a beige to pink body. It has four blunt spines between the eyes.
It is more active at night.

Human uses: According to SeaLifeBase, it is collected extensively for food. While it is reported as poisonous, tests could not confirm it. Possibly the crab becomes toxic for a short period after feeding on poisonous molluscs.

Status and threats: Our Spotted reef crab is listed among the threatened animals of Singapore.
Like other creatures of the intertidal zone, they are affected by human activities such as reclamation and pollution.

Sisters Island, Jul 04
 

Kusu Island, Jun 10
Photo shared by Loh Kok Sheng on his blog.

Family Carpiliidae recorded for Singapore
from Wee Y.C. and Peter K. L. Ng. 1994. A First Look at Biodiversity in Singapore
in red are those listed among the threatened animals of Singapore from Davison, G.W. H. and P. K. L. Ng and Ho Hua Chew, 2008. The Singapore Red Data Book: Threatened plants and animals of Singapore.


  Family Carpiliidae
  Carpilius maculatus (Spotted reef crab) (EN: Endangered)

Links

References
  • Ng, Peter K. L. and Daniele Guinot and Peter J. F. Davie, 2008. Systema Brachyurorum: Part 1. An annotated checklist of extant Brachyuran crabs of the world. The Raffles Bulletin of Zoology. Supplement No. 17, 31 Jan 2008. 286 pp. (Online PDF on the Raffles Bulletin of Zoology website)
  • Davison, G.W. H. and P. K. L. Ng and Ho Hua Chew, 2008. The Singapore Red Data Book: Threatened plants and animals of Singapore. Nature Society (Singapore). 285 pp.
  • Wee Y.C. and Peter K. L. Ng. 1994. A First Look at Biodiversity in Singapore. National Council on the Environment. 163pp.
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