Underwater view of school of fish, Ixtapa, Guerrero, Mexico

Underwater view of school of fish, Ixtapa, Guerrero, Mexico

Underwater view of school of fish, Ixtapa, Guerrero, Mexico

Underwater view of school of fish, Ixtapa, Guerrero, Mexico

Underwater view of fish with scuba divers, Ixtapa, Guerrero, Mexico

Scuba divers posing underwater; Ixtapa-Zihuatanejo, Guerrero, Mexico

Underwater view of school of fish with scuba divers, Ixtapa, Guerrero, Mexico

Underwater view of sea life, Ixtapa, Guerrero, Mexico

View of boats at sea, Zihuatanejo, Guerrero, Mexico

Underwater view of a scuba diver, Ixtapa, Guerrero, Mexico

Underwater view of a scuba diver, Ixtapa, Guerrero, Mexico

Underwater view of a scuba diver, Ixtapa, Guerrero, Mexico

Underwater view of a shool of bonito fish, Roca Partida, Revillagigedo, Mexico

Underwater view of mola mola, ocean sunfish and local fisherman, Magadalena bay, Baja California, Mexico

Underwater view of large cubera snapper schools gathering around a fresh water ocean sinkhole, Cancun, Quintana Roo, Mexico

Underwater silhouetted view of silky sharks gathering in spring for mating rituals, Roca Partida, Revillagigedo, Mexico

Underwater view of Silky sharks gathering in spring for mating rituals, Roca Partida, Revillagigedo, Mexico

Underwater view of a Caribbean whiptail stingray (Himantura schmardae), Utila, Bay Islands, Honduras

"Graceful jellyfish, Socorro Island, Revillagigedo, Mexico"

"Schooling hammerheads (Sphyrna lewini) at ""el canon"", San Benedicto, Revillagigedo, Mexico"

"Dolphin (tursiops sp) hurdles baitfish into a ball previous to charging it and feed, San Benedicto, Revillagigedo, Mexico"

"Silky sharks (Carcharhinus falciformis), gather in big schools around Roca Partida Island as part of the mating rituals, Revillagigedo Archipelago, Mexico"

"False killer whales (Pseudorca crassidens) leisurely cruise around the crispy blue water of San Benedicto Island, Revillagigedo Archipelago, Mexican pacific"

Blue Marlin and Humpback Red Snapper fish.

Plesiosaurus dinosaurs hunt a school of Dapedius fish.

A huge Megalodon shark swimming in clear ocean waters.

A school of Pennant fish swim by two Humpback whales.

Two pennant fish scamper away from a pod of striped dolphins.

Rhizodus hibberti, an extinct group of Carboniferous lobe-finned fish.

Drepanaspis gemuendenensis, an extinct primitive jawless fish from the Devonian Period.

A pack of Blue Marlin swimming with two Siamese Tigerfish.

Plesiosaurus dinosaurs chase a school of Lemonpeel Angelfish.

A group of large Ichthyosaurus marine reptiles swimming in prehistoric waters.

Two Megalodon sharks from the Cenozoic Era.

A mother and calf humpback whale rise to the surface.

Underwater view of a fish and ocean floor, Zihuatanejo, Guerrero, Mexico