新爱尔兰岛上的蓝指海星，巴布亚新几内亚

aquarium underwater fish diving water reef swimming marine invertebrates ocean floor marine mammal animal dolphin whale shark dark blue outdoor coral fin ocean marine biology snorkeling red rock invertebrate ray aquatic mammal cartilaginous fish bottlenose dolphin common bottlenose dolphin cetacea great white shark nature oceanfloor tree scuba water sport sailing diver surrounded forest