Blue shark Prionace glauca is a pelagic species found off both coasts of North America It swims near the surface and feeds on small schooling fishes and squid California Pacific Ocean

Latin young woman MR snorkeling in La Partida North Island of Espiritu Santo Marine Park Sea of Cortez Baja California Mexico East Pacific Ocean

Woman MR researcher and snorkeler recovering a Humpback whale skeleton and bones underwater Megaptera novaeangliae Espiritu Santo Marine Sanctuary La Paz Los Cabos Sea of Cortez Baja California Mexico East Pacific Ocean KIKE CALVO - VW

Blue shark Prionace glauca is a pelagic species found off both coasts of North America It swims near the surface and feeds on small schooling fishes and squid California Pacific Ocean

The Opera House, Circular Quay Terminal and Downtown Sydney, Sydney Harbour, Tasman Sea, South Pacific Ocean, Sydney, New South Wales, Australia

Single pink maomao (Caprodon longimanus) in school of blue maomao (Scorpis violaceus). Poor Knights Islands. New Zealand, South Pacific Ocean

Market squid Loligo opalescens is found in the open ocean of the eastern Pacific Here a male squid mates with a female that already has an egg case California Pacific Ocean

Galapagos sea lion Zalophus wollebaeki underwater at Champion Islet near Floreana Island in the Galapagos Island Archipeligo, Ecuador Pacific Ocean

Pacific white_sided dolphins (Lagenorhynchus obliquidens) surfacing off the north side of Catalina Island in Southern California, USA. Pacific Ocean.

Curious Galapagos sea lions Zalophus wollebaeki underwater at Champion Islet near Floreana Island in the Galapagos Island Archipeligo, Ecuador Pacific Ocean

Hector's dolphin (Cephalorhynchus hectori). Endangered species. Endemic to New Zealand. The world's smallest oceanic dolphin. Akaroa Harbour. New Zealand. South Pacific Ocean.