Common in the Solitary Islands Marine Park. Distributed throughout the Indo-West Pacific region: from East Africa, Red Sea to the Solomon Islands, Society and Marshall Islands, Japan. In Australia recorded from Exmouth in Western Australia, across the north to southern Queensland.
Chooses shells with wide apertures, frequents areas of inshore and offshore reef, lagoon bottoms. Depth range 1 - 20 m.
Two forms, black and red, which differ in the colour of the patches on the carapace, claws and legs. Yellow antennae, eye stalks blue-grey with yellow shading at distal end. Mottled tan and maroon, body covered in dark hairs tipped with white. Carapace length to 20 mm, total length to 100 mm.
Davie, Peter. Wild Guide to Moreton Bay and Adjacent Coasts. Second Edition. Published by Queensland Museum. Vol 2, p.223.
Poupin J. and M. Juncker, 2010 – A guide to the decapod crustaceans of the South Pacific. Published by CRISP and SPC, Noumea, New Caledonia, 320 pp., 366 photographs. Pp.230-1.
Atlas of Living Australia website at https://bie.ala.org.au/search?q=Dardanus+crassimanus. Accessed 13/11/2018.