Morning Glory Pool, a geothermal pool, colours are due to algae at temperature bands, hotter below, Yellowstone National Park, Wyoming, USA

Inside Kazakhs yurt, Tianchi (Heaven Lake), Tien Shan, Xinjiang Province, China

Fish on ice in a food market, Phnom Penh, Cambodia, Indochina, Southeast Asia, Asia

Nassau grouper, Bahamas, West Indies, Central America

Large Nassau grouper, Bahamas, West Indies, Central America

The yellow moray eel (Gymnothorax melatremus) living in an artificial reef under an oil rig near Mabul Island, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia

Stonefish (Synanceia verrucosa) is extremely venomous, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia

Burrowing snake eel (Pisodonophis cancrivoris) in the sand, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia

Freckled hawkfish (Paracirrhites forsteri) a reef fish that feeds on small fish and shrimps, Matangi Island, Vanua Levu, Fiji, Pacific

Hinge beak shrimp (Hinge beak prawn) (Rhynchocinetes sp.) emerges to feed at night, Matangi Island, Vanua Levu, Fiji, Pacific

Dusky anenomefish (Amphiprion melanomas) dominant female, lives in symbiotic association with its host anemone, Matangi Island, Vanua Levu, Fiji, Pacific

Fish eye view with honeycomb stingray (Himantura uarnak), Shallow bay, Ras Mohammed National Park, off Sharm el Sheikh, Sinai, Egypt, Red Sea, Egypt, North Africa, Africa

Black stork (Ciconia nigra) with a fish, Kruger National Park, South Africa, Africa

Malachite kingfisher (Corythornis cristatus), Chobe National Park, Botswana, Africa

Interior fish eye view of La Pedrera (Casa Mila), an apartment block designed by Antonio Gaudi, UNESCO World Heritage Site, Passeig de Gracia, Barcelona, Catalunya, Spain, Europe

Longnose hawkfish (Oxycirrhites typus) on gorgonian sea fans (Subergorgia mollis) a hard coral species found in high current areas, Matangi Island, Vanua Levu, Fiji, Pacific

Cheek-lined wrasse (Oxycheilinus digramma), Matangi Island, Vanua Levu, Fiji, Pacific

Tassled scorpionfish (smallscale scorpionfish) (Scorpaenopsis oxycephala), has an array of venomous spines, Matangi Island, Vanua Levu, Fiji, Pacific

Arc-eye hawkfish (Paracirrhites arcatus), Matangi Island, Vanua Levu, Fiji, Pacific

Yellow tailed blenny (Ecsenius namiyei), Komodo, Indonesia, Southeast Asia, Asia

Masked butterfly fish (Chaetodon semilarvatus) close-up, Naama Bay, off Sharm el-Sheikh, Sinai, Red Sea, Egypt, North Africa, Africa

Stonefish eye, Sulawesi, Indonesia, Southeast Asia, Asia

Tourists visiting Medersa Ben Youssef, the old Islamic Koranic school, Old Medina, Marrakech, Morocco, North Africa, Africa

Star pufferfish (Arothron stellatus), Komodo, Indonesia, Southeast Asia, Asia

Yellow tailed blenny (Ecsenius namiyei), Komodo, Indonesia, Southeast Asia, Asia

Silhouette of one scuba diver and sunball underwater, fish eye view, Egypt, North Africa, Africa

Downtown, Los Angeles, California, United States of America, North America

Neon triplefin (Helcogramma striata), Komodo, Indonesia, Southeast Asia, Asia

Yellow tailed blenny (Ecsenius namiyei, Komodo, Indonesia, Southeast Asia, Asia

Pair of Crab-Eye Goby, Signigobius biocellatus, Raja Ampat, West Papua, Indonesia

Shoal of Bengal Snapper and Big-eye Snapper, Lutjanus bengalensis, Lutjanus lutjanus, Raja Ampat, West Papua, Indonesia

Shoal of Bengal Snapper and Big-eye Snapper, Lutjanus bengalensis, Lutjanus lutjanus, Raja Ampat, West Papua, Indonesia

School of horse-eye jack fish swmming by the Ray of Hope shipwreck, Nassau, The Bahamas.

Detail of the green speckled eye of a juvenile porcupinefish, Lembeh Strait, North Sulawesi, Indonesia.

Fish in fish market, Istanbul, Turkey, Europe

A school of big-eye jacks (Caranx sexfasciatus) above a coral reef in the Solomon Islands. This region is known for its healthy fish populations.

Horse-eye jacks (Caranx latus), schooling in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Horse-eye jacks (Caranx latus), schooling in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Horse-eye jacks (Caranx latus), schooling in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Southern stingray (Hypanus americanus) over sand in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize

An adult mudskipper, subfamily Oxudercinae, in mud burrow on the mud flats of Vansittart Bay, Kimberley, Western Australia, Australia, Pacific

An adult mudskipper, subfamily Oxudercinae, in mud burrow on the mud flats of Vansittart Bay, Kimberley, Western Australia, Australia, Pacific

An adult mudskipper, subfamily Oxudercinae, in mud burrow on the mud flats of Vansittart Bay, Kimberley, Western Australia, Australia, Pacific

Porcupinefish (Diodon hystrix) on house reef at Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

Yellowmargin moray eel (Gymnothorax flavimarginatus), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

Detail of the eye of a blue-spotted pufferfish, Arothron caeruleopunctatus, in Alor, Indonesia.

Guadalupe fur seal (Arctocephalus townsendi), underwater on Las Animas Island, Baja California Sur, Sea of Cortez, Mexico, North America

Porcupinefish (Diodon hystrix) at night on house reef at Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

Adult broadclub cuttlefish (Sepia latimanus), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

Saddle-billed stork (Ephippiorhynchus senegalensis) with a fish, Kruger National Park, South Africa, Africa

Elevated fish-eye view of Corfu Town, Corfu, Greek Islands, Greece, Europe

Fish Eye Lens of Mt Eiger, Mt Jungfrau and Mt Monch, Bernese Oberland, Switzerland

Bernini's Fountain of the Four Rivers and church of Sant'Agnese in Agone at night, Piazza Navona, Rome, Lazio, Italy, Europe

Fish market at Ponte di Rialto, Venice, Veneto, Italy, Europe

An adult arc-eye Hawkfish (Paracirrhites arcatus), off Bangka Island, near Manado, Sulawesi, Indonesia, Southeast Asia, Asia

Tower Bridge and the Shard, England, United Kingdom, Europe

An adult arc-eye Hawkfish (Paracirrhites arcatus), off Bangka Island, near Manado, Sulawesi, Indonesia, Southeast Asia, Asia

Fish eye lens view of the flying butresses of Notre Dame Cathedral, Paris, France, Europe

Close-up of eye of spiny pufferfish (Arothron hispidus), Red Sea, North Africa, Africa

Stockfish cod drying on traditional racks, hjell, in the Arctic Circle on the island of Ringvassoya in region of Tromso, Northern Norway

Stockfish cod drying on traditional racks, hjell, in the Arctic Circle on the island of Ringvassoya in region of Tromso, Northern Norway

Stockfish cod drying on traditional racks, hjell, in the Arctic Circle on the island of Ringvassoya in region of Tromso, Northern Norway

Stockfish cod drying on traditional racks, hjell, in the Arctic Circle on the island of Ringvassoya in region of Tromso, Northern Norway

Stockfish cod drying on traditional racks, hjell, in the Arctic Circle on the island of Ringvassoya in region of Tromso, Northern Norway

Local tourists near the Gateway of India, Colaba, Mumbai (Bombay), Maharashtra state, India, Asia

Fish eye view of the stained glass windows and roof of King's College Chapel, Cambrige, England

Interior of the Great Mosque (Mezquita), UNESCO World Heritage Site, houses a later Christian church inside, Cordoba, Andalucia (Andalusia), Spain, Europe

Fish-eye view of Cardo maximus and Nymphaeum, Jerash, Jordan, Middle East

Sydney, New South Wales, Australia, Pacific

State capitol and downtown seen from Gateway Arch, which casts a shadow, St. Louis, Missouri, United States of America, North America

Looking down on San Gimignano from one of the town's medieval stone towers, San Gimignano, UNESCO World Heritage Site, Tuscany, Italy, Europe

Fish-eye lens view of the chandelier and roof inside the prayer area of the Sultan Qaboos Grand Mosque in Muscat, the capital of Oman.

Aerial view of Cape Town showing Table Mountain, with Devil's Peak on the left, Lion's Head and Signal Hill on right, and the new Green Point stadium in the foreround, Cape Town, South Africa, Africa

Aerial view of Cape Town showing Table Mountain, with Devil's Peak on the left, Lion's Head and Signal Hill on right, and the Waterfront and Table Bay Harbour in foreround, Cape Town, South Africa, Africa

Aerial view of Cape Town showing Table Mountain, with Devil's Peak on the left, Lion's Head and Signal Hill on right, and the new Green Point stadium and suburb of Mouille Point in the foreround, Cape Town, South Africa, Africa

On Friday 11th July 2014, the Young Ospreys that nest on Bassenthwaite in the Lake District National Park, Cumbria, UK, are ringed and fitted with a satelite tracker. they are ringed by Pete Davis, a licensed bird ringer, and the satelite tracker is fitred by Roy Dennis. Roy is theonly person in the UK, licensed to fit satelite trackers to birds of prey. The tracing is part of the Bassenthwaite Osprey project, to see whereabouts in Africa the young migrate to, before returning hopefully to the UK to nest.Ospreys recolonized the Lake district in 2001, after an absence ovf over 150 years. In the last fourteen years of breeding over half a million people have visited the project to view these spectacular fish eating birds.

On Friday 11th July 2014, the Young Ospreys that nest on Bassenthwaite in the Lake District National Park, Cumbria, UK, are ringed and fitted with a satelite tracker. they are ringed by Pete Davis, a licensed bird ringer, and the satelite tracker is fitred by Roy Dennis. Roy is theonly person in the UK, licensed to fit satelite trackers to birds of prey. The tracing is part of the Bassenthwaite Osprey project, to see whereabouts in Africa the young migrate to, before returning hopefully to the UK to nest.Ospreys recolonized the Lake district in 2001, after an absence ovf over 150 years. In the last fourteen years of breeding over half a million people have visited the project to view these spectacular fish eating birds.

On Friday 11th July 2014, the Young Ospreys that nest on Bassenthwaite in the Lake District National Park, Cumbria, UK, are ringed and fitted with a satelite tracker. they are ringed by Pete Davis, a licensed bird ringer, and the satelite tracker is fitred by Roy Dennis. Roy is theonly person in the UK, licensed to fit satelite trackers to birds of prey. The tracing is part of the Bassenthwaite Osprey project, to see whereabouts in Africa the young migrate to, before returning hopefully to the UK to nest.Ospreys recolonized the Lake district in 2001, after an absence ovf over 150 years. In the last fourteen years of breeding over half a million people have visited the project to view these spectacular fish eating birds.

On Friday 11th July 2014, the Young Ospreys that nest on Bassenthwaite in the Lake District National Park, Cumbria, UK, are ringed and fitted with a satelite tracker. they are ringed by Pete Davis, a licensed bird ringer, and the satelite tracker is fitred by Roy Dennis. Roy is theonly person in the UK, licensed to fit satelite trackers to birds of prey. The tracing is part of the Bassenthwaite Osprey project, to see whereabouts in Africa the young migrate to, before returning hopefully to the UK to nest.Ospreys recolonized the Lake district in 2001, after an absence ovf over 150 years. In the last fourteen years of breeding over half a million people have visited the project to view these spectacular fish eating birds.

King penguins (aptenodytes patagonicus) st andrews bay, south georgia, small group in snowy landscape, fish-eye view

Eye of common octopus (Octopus vulgaris), Cap de Creus, Costa Brava, Spain, Mediterranean, Europe

Fish-eye lens view across the Grand Tsingy landscape of limestone karst in the Tsingy de Bemaraha National Park, UNESCO World Heritage Site, western Madagascar, Madagascar, Africa

Caribbean, West Indies, Barbados, St Peter Parish, Fishermen Village Of Six Men's Bay, Red Snapper Eye

Row boat and Mogundula island in the Quirimbas archipelago in northern Mozambique, Indian Ocean, Africa

Aerial view over the Dordogne River and surrounding countryside near Sarlat in the Dordogne-Perigord region, France, Europe

Eye of common octopus (Octopus vulgaris), Cap de Creus, Costa Brava, Spain, Mediterranean, Europe

Eye of common octopus (Octopus vulgaris), Cap de Creus, Costa Brava, Spain, Mediterranean, Europe

French Polynesia, Colorful Fishes Of The Lagoon Just Caught

Eyes of common octopus (Octopus vulgaris), Cap de Creus, Costa Brava, Spain, Mediterranean, Europe

A large yellow fin tuna caught by Tuvaluan fishermen off Funafuti Atoll, Tuvalu, Pacific

Eye and siphon detail of reef octopus (Octopus cyanea), crawling over reef, Ailuk atoll, Marshall Islands, Pacific

Arapaima (pirarucu) (Arapaima gigas) in captivity, the largest freshwater fish, found in the Amazon river basin, mainly in Brazil, South America

Red snapper (Lutjanus bohar), Rongelap, Marshall Islands, Micronesia, Pacific

Yellowstripe goatfish (Mulloidichthys flavolineatus) at night, Rongelap, Marshall Islands, Micronesia, Pacific

Giant trevally (Caranx ignobilis), Rongelap, Marshall Islands, Micronesia, Pacific

A large yellow fin tuna caught by Tuvaluan fishermen off Funafuti Atoll, Tuvalu, Pacific

Arapaima (pirarucu) (Arapaima gigas) in captivity, the largest freshwater fish, found in the Amazon river basin, mainly in Brazil, South America

Papuan scorpionfish (Scorpaenopsis papuensis), head detail, Dumaguete, Negros, Philippines, Southeast Asia, Asia

Stargazer buried in sandy bottom (Uranoscopus bicintus). Indo Pacific

Stoplight Parrotfish (Sparisoma viride) detail of eye and vivid turquoise body colour, Cayman Brac, Cayman Islands, Caribbean