shrimp goby, South East Asia, Crustaceans, Symbiotic, Fish, biodiversity, Symbiosis, Mixed Species, Tropical, Coral Triangle, South-east-asia, Invertebrates, Marine, shrimps, Invertebrate, gobies, shrimp, Papua New Guinea, Underwater, Gobiescoidae, Asia, crustacean, Indo Pacific, crustacian, Osteichthyes, Gobioidei, goby, Crustacea