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Phylum Arthropoda > Subphylum Crustacea > Class Malacostraca > Order Decapoda > Brachyurans > Family Varunidae
Orange signaller crab
Metaplax elegans
Family Varunidae
updated Dec 12

Where seen? This tiny crab with long orange pincers is found in the back mangroves in very soft mud. Often in large groups near stream banks.

Features: Body width about 2cm. Body somewhat rectangular, eyes on short stalksr. Long flattened legs with pointed tips. Males wave their distinctive long orange pincers to compete for females.

What does it eat?
It feeds mainly on worms, coming of out its burrow at low tide.

Sungei Buloh Wetland Reserve, Sep 09

Sungei Buloh Wetland Reserve, Sep 09

Sungei Buloh Wetland Reserve, Feb 10

Orange signaller crabs on Singapore shores

Photos for free download from wildsingapore flickr

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).
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