Mangrove Horseshoe Crab

Carcinoscorpius rotundicauda

The mangrove horseshoe crab, also known as the round-tailed horseshoe crab, is a chelicerate arthropod found in tropical marine and brackish waters in India, Bangladesh, Indonesia, Malaysia, Singapore, Thailand, Cambodia, Vietnam, China and Hong Kong. It may also occurs in Sri Lanka, Myanmar and the Philippines, but confirmed records are lacking.