Humpback whale mother pushes her sleeping calf to surface, Maui, Hawaii, USA

underwater aquarium fish reef water swimming animal marine mammal blue ocean floor fin shark outdoor diving dark sky turtle marine biology dolphin whale cartilaginous fish green aquatic mammal wave mammal colorful painting coral scuba sport snorkeling nature diver water sport marine invertebrates coral reef surrounded flying jet ocean great white shark air cetacea bottlenose dolphin common bottlenose dolphin