Swimming Crab (Eng) - Portunus pelagicus (Lat) (Portunidae) – grows up to 15 cm.
Habitat:
Red Sea, Indo-Pacific - from East Africa and Persian Gulf, Maldives and Thailand to Indonesia, Malaysia,Philippines, southern Japan, Papua New Guinea and Great Barrier Reef
! If you've seen Blue swimming crab - Will be grateful for your comments and photos! Link to this marine life will appear in your personal page, under "My Underwater World"