emperor shrimp

argus arthropoda aspidochirotida bali bohadschia caridea commensal commensalism critters crustacea crustacean cucumber decapoda diving echinoderm emperor eucarida holothuriidae holothuroidea imperator indonesia invertebrate leopard malacostraca marine ocean palaemonidae periclimenes saltwater scuba sea seraya shrimp tulamben undersea underwater water