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  Lophozozymus pictor (Fabricius, 1798)
  Family Name : Xanthidae

  Taxonomic Group : Invertebrates (Crustacean, Crab and Prawn)

  Common Names : Mosaic Reef Crab

 
Mosaic Reef Crab
  • Description
    • Size :
      8 cm
      Description :
      A beautifully coloured crab with black tips to the pincers, red legs, and a mosaic pattern of red, white and black markings on the back of the shell
  • Ecology, Habitat & Location
    • Ecological Notes :
      Found in littoral and sublittoral rocky and coral rubble areas and coral reefs.
      Habitats :
      Coral Reef, Marine, Rocky Shore
      Distribution :
      Recorded from the Indian Ocean, Singapore, Philippines, Thailand, Vietnam, China, Japan, Ambon (Indonesia), Western Australia.
  • Conservation
    • Trends & Threats :
      Loss of rocky shore and coral reef habitats due as a result of dumping, land reclamation and coastal development.
      Scientific Interest & Potential Value :
      This is one of the most poisonous crabs in the world. The neurotoxin it possesses is not denatured by heat during cooking, and can easily kill a man. In fact, the poison in an average crab has been estimated to be able to kill tens of thousands of mice - what it means in human terms is that this will kill a large number of people! The source of its toxin is from its food, and may include poisonous sea cucumber species which it is known to feed on. 
      Conservation Notes :
      The conservation of rocky shores and coral reefs will help this species to maintain its population in Singapore waters. It is displaced by conversion f shores to artificial forms such as sea walls or embankments.
  • Status
    • Species Status :
      Native
      Singapore Red Data Book 2008 status :
      Endangered (EN)
  • References
    • Davison, G.W.H., Ng, P.K.L. & Ho, H.C (Eds.). 2008. The Singapore Red Data Book (2nd Edition). Singapore: Nature Society (Singapore). 285pp 

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