nudibranch. tambja sp. hang on

anemone animal aquarium aquatic asia bali biodiversity blue colony colourful coral coralfish coralreef crab crustacean deep depth diver diving ecosystem ell environment fauna fish flora indonisia invertebrate island marine mollusc nature nudibranch ocean reef school scuba sea sealife seascape shark shell shoal shrimp slug snail snorkelling spbali sponge tambja travel tropical undersea underwater water whale wildlife wreck