Spider Crab (Oncinopus araneus)
Air Bajo, Lembeh.
I was at first thinking it was a sort of hair-less orangutan crab but it is in fact another species. I noticed because of
the pics in Diverosa;
http://species-identification.org/species.php?species_group=crabs_of_japan&id=831&menuentry=soorten
Carapace rounded triangular, depressed. Posterior two pairs of ambulatory legs subchelate, last pair being subdorsal in position. Abdomen in both sexes distinctly seven-segmented. Length of carapace of an adult, 14 to 17mm. The shape of the lobes at the tip of the rostrum varies in some specimens.
Carapace elongate-triangular, thin and semi-membranous, as well as all the appendages tomentose. Rostrum short, bilobed. Eyes small, retractile beneath the edge of the carapace. No orbit or protective.. more