David Hall / Haig's porcelain crab (Porcellanella haigae) living commensally on Sea pen (Pennatulacea) Crab recently emerged from exoskeleton. Pantar, Alor Archipelago, Indonesia.

David Hall / Porcelain crab (Porcellanella haigae) on Sea pen (Veretillum sp). Pantar, Alor Archipelago, Lesser Sunda Islands, Indonesia.