Air Bubbles in Ocean, Guadalupe Island, Mexico

Air Bubbles in Ocean, Guadalupe Island, Mexico

Bubble ring, Bahamas, West Indies, Central America

Air Bubbles in Ocean, Guadalupe Island, Mexico

Air Bubbles in Ocean, Guadalupe Island, Mexico

Woman snorkeling, Crete, Greece

Woman snorkeling, Crete, Greece

Dolphin (Delphinus delphis)

Little boy with swimming goggles, jumping into swimming pool, underwater, Ukraine, Europe

Scuba diver blowing bubble rings. As the escaping air rises to surface, the decrease in pressure causes the rings of air to expand.

Underwater view of diver wearing wetsuit, diving goggles and oxygen cylinder, air bubbles rising, United States of America

Underwater view of diver wearing wetsuit, diving goggles and oxygen cylinder, air bubbles rising, United States of America

High angle underwater view of diver wearing wet suit and flippers, air bubbles rising, United States of America

A Gal�pagos Seal underwater, rising upwards, blowing a trail of air bubbles,