Purple Crab, Waigeo Selatan, Indonesia

"Gecarcoidea lalandii" is a large species of terrestrial crab. It is dark purple in colour, with long legs and short pincers. It is nocturnal, so spends most of the day hiding in burrows. Compared to the related "G. natalis", "G. lalandii" is relatively widespread, being found in the Indo-Pacific from the Andaman Islands and eastwards.