1. 
   Xanthidae
   Xanthidae is a family of crabs known as mud crabs, pebble crabs or rubble crabs. They are often brightly coloured and are poisonous, containing toxins which are not destroyed by cooking and for which no antidote is known. The toxins are similar to the tetrodotoxin and saxitoxin produced by puffer f...
   Found op http://en.wikipedia.org/wiki/Xanthidae
   
   

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