nudibranch. tambja morosa. big blue

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