blue ring octopus

and been blue butterfly cetatians colour colourfoul colourful colours coral dangerous dive first fish flashing from green hatchling hatchlings its jetty killer life mammals marine navy ningaloo nudibranch nudibranchs observers ocean octopus orcas pier red reef reefshark ring scubadive sea shark slugs snorkel soft stingray stunning swim together top turquoise turtle under watched water whale whales whalesharks white whitetip