1) Cave crustacean 
Cancrocaeca xenomorpha is a species of troglobitic (cave-dwelling) freshwater crab from Sulawesi, the only species in the monotypic genus Cancrocaeca. It has been described as the world`s `most highly cave-adapted species of crab`. Cancrocaeca xenomorpha is a small crab with long legs. It has no eyes or even vestiges of eyestalks, and has only ......