Grandfather and grandson (6-8) on beach with snorkelling masks

Grandfather and grandson (6-8) on beach with snorkelling masks

Tikehau, Tuamotu Archipelago, French Polynesia, Pacific Islands, Pacific

Couple snorkelling in the Maldives, Indian Ocean, Asia

Two couples snorkelling in the Maldives, Indian Ocean, Asia

Couple snorkelling, Maldives, Indian Ocean, Asia

Fishiing boats and man snorkelling at Anopi Beach, Karpathos, Dodecanese, Greek Islands, Greece, Europe

Girl snorkeling in The Maldives, Indian Ocean, Asia

Girl snorkeling in The Maldives, Indian Ocean, Asia

A freediver plays with a stingray, Antigua, West Indies, Caribbean, Central America

A freediver interacts with a sea lion, Galapagos Islands, Ecuador, South America

Couple snorkelling in the Maldives, Indian Ocean, Asia

Snorkeler taking photo of urchin underwater off Maui, Hawaii, United States of America, Pacific

Man snorkeling, Maldives, Indian Ocean, Asia

Seaplane and couple snorkeling, Maldives, Indian Ocean, Asia

Seaplane and couple snorkeling, Maldives, Indian Ocean, Asia

British Spearfishing Championships, Thurlestone. Devon, England, United Kingdom, Europe

British Spearfishing Championships, Thurlestone. Devon, England, United Kingdom, Europe

A young woman with a snorkel and mask on a beach near Porto Seguro, Bahia, Brazil, South America

Young woman snorkelling in Maldives, Indian Ocean

Whale shark (Rhincodon typus) with rainbow runner observed by a tourist and guide in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Tourists snorkelling with a whale shark (Rhincodon typus) in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Tourists snorkelling with a whale shark (Rhincodon typu ) in Honda Bay, Puerto Princesa, Palawan, The Philippines, Southeast Asia, Asia

Tourist snorkelling with a whale shark (Rhincodon typus) in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Tourist snorkelling with a whale shark (Rhincodon typus) in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Snorkeller swimming with a juvenile whale shark (Rhincodon typus) in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Tourists snorkelling with a whale shark (Rhincodon typus) in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Snorkellers with an oceanic manta ray (Manta birostris) feeding near the surface, Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Oceanic manta ray (Manta birostris) feeding near the surface, Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

A young woman with a snorkel and mask on a beach near Porto Seguro, Bahia, Brazil, South America

A group of snorkellers observing spinetail devil rays (Mobula mobular) engaged in sexual courtship in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Snorkellers observing spinetail devil rays (Mobula mobular) engaged in sexual courtship in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Snorkeling with Schooling Oxeye Scad, Selar boops, Florida Islands, Solomon Islands

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Snorkeler and excrements of Sperm Whale, Physeter macrocephalus, Caribbean Sea, Dominica

Skin diver strokes Sperm Whale, Physeter macrocephalus, Caribbean Sea, Dominica

Snorkeling in Lagoon of Eriyadu Island, North Male Atoll, Maldives

Snorkeling in Lagoon of Eriyadu Island, North Male Atoll, Maldives

Tourist and tour guide swimming with a whale shark (Rhincodon typus) in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Free diving in a cave off Espanola Island, Galapagos, Ecuador, South America

British Spearfishing Championships, Thurlestone, Devon, England, United Kingdom, Europe

Snorkeller with a juvenile whale shark (Rhincodon typus) feeding on the suface in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Snorkeller with oceanic manta ray (Manta birostris) feeding near the surface, Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Humpback Whale and Free Diver, Megaptera novaeangliae, Indian Ocean, Wild Coast, South Africa

Snorkeler and excrements of Sperm Whale, Physeter macrocephalus, Caribbean Sea, Dominica

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Free diving, Galapagos Islands, Ecuador, South America

Tourist swimming with a whale shark (Rhincodon typus) in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Tourist swimming with a whale shark (Rhincodon typus) in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Snorkeling in Lagoon of Eriyadu Island, North Male Atoll, Maldives

Snorkeling at Vincente Roca Point on Isla Isabela (Isabela Island), Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Beach at Chankanaab Park, Isla de Cozumel (Cozumel Island), Cozumel, Mexico, North America

Two tourists snorkelling with a whale shark (Rhincodon typus), in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Snorkeling with Schooling Oxeye Scad, Selar boops, Florida Islands, Solomon Islands

Snorkeling at Eriyadu Island House Reef, North Male Atoll, Maldives

Snorkeling in Lagoon of Eriyadu Island, North Male Atoll, Maldives

Tourists snorkelling with a whale shark (Rhincodon typus) in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Fakarawa, Tuamotu Archipelago, French Polynesia, Pacific Islands, Pacific

Snorkeling at Solomon Islands, Marovo Lagoon, Solomon Islands

Snorkeling at Solomon Islands, Florida Islands, Solomon Islands

Snorkeling off palm-lined Island, Fadol, Kai Islands, Moluccas, Indonesia

Snorkeling in Lagoon, Fadol, Kai Islands, Moluccas, Indonesia

Snorkeling off Fadol Island, Kai Islands, Moluccas, Indonesia

Snorkellers with a juvenile whale shark (Rhincodon typus) feeding at the suface in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia

Snorkeling at Solomon Islands, Florida Islands, Solomon Islands

Snorkeling off palm-lined Island, Fadol, Kai Islands, Moluccas, Indonesia

Fadol Island, Kai Islands, Moluccas, Indonesia

Sperm Whale and Skin diver, Physeter macrocephalus, Caribbean Sea, Dominica

Snorkeling off palm-lined Island, Fadol, Kai Islands, Moluccas, Indonesia

Snorkeling off palm-lined Island, Fadol, Kai Islands, Moluccas, Indonesia

Snorkeling in Lagoon, Fadol, Kai Islands, Moluccas, Indonesia

Snorkeling at Solomon Islands, Marovo Lagoon, Solomon Islands

Snorkeling in Lagoon, Fadol, Kai Islands, Moluccas, Indonesia

Snorkeling off Fadol Island, Kai Islands, Moluccas, Indonesia

Snorkeling off Fadol Island, Kai Islands, Moluccas, Indonesia

Fadol Island, Kai Islands, Moluccas, Indonesia

Fadol Island, Kai Islands, Moluccas, Indonesia

Skin diver strokes Sperm Whale, Physeter macrocephalus, Caribbean Sea, Dominica

Snorkeling off Fadol Island, Kai Islands, Moluccas, Indonesia

Snorkeling at Solomon Islands, Marovo Lagoon, Solomon Islands

Bora-Bora, Leeward group, Society Islands, French Polynesia, Pacific Islands, Pacific

Local man swimming at the Granite rocks at Ile aux Cocos, Seychelles, Indian Ocean, Africa

Nabaq National Park, Sharm El Sheikh (Sharm el-Sheikh), Egypt, North Africa, Africa

Little boy snorkeling looking at the starfish in the lagoon, Ile aux Aigrettes, Pointe d'Esny, Mahebourg, Mauritius, Indian Ocean, Africa

An adult banded coral shrimp (Stenopus hispidus), on a night snorkel at Arborek Reef, Raja Ampat, Indonesia, Southeast Asia, Asia