colorful nudibranch on sand

ambient ampat animal beautiful behavior biology bioluminescence colorful colors conservation coral crocodilefish detail display diving ecology ecosystem environment evolution eye eyes fish gastropod habitat hidden hunt indo indonesia island lembeh life light lives look marine natural nature niche nudibranch pacific palau papua pattern poisonous predator prey raja reef region research sand scenery scenic science seascape shape shell slug snail snorkeling species texture tourism toxins travel wild wildlife