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Scuba diver captures amazing images from the Philippines and Koh Tao

Fluorescent green eels, glowing red fish and acid yellow corals: Scuba diver captures extraordinary images of creatures that light up the ocean floor when exposed to ultraviolet light

London-based diving instructor, Alex Tyrrell, captured these images while working near the Philippines and Thailand. The bright green, red and yellow colours were enhanced with ultraviolet and blue filtered light to see the unique effect the images include an anemone hermit crab, a fluorescent mushroom coral and striking vivid yellow and green eel.

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The fimbriated moray eel is found in the Indo-Pacific oceans at depths down to 45 meters. Alex Tyrrell, a scuba diving instructor from London, captured the images while working near the Phillipines and Thailand

When viewed under normal white light, the majority of the creatures have a muted brown and beige colour. But when photographed with the special equipment, they transform into spectacular and colourful creatures.

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Using special underwater photographic equipment, the scuba diver was able to highlight the fluorescence in marine creatures. Pictured is a fluorescent mushroom coral

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Mr Tyrrell managed to find this spectacular fluo bubble coral and fluo hard coral . The 39-year-old said: ‘It is still not fully understood why certain creatures fluoresce and others do not…Maybe this is an effect they can turn on and off at will – possibly for communication.’
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Images such as this one of an anemone hermit crab were enhanced with UV and blue-filtered light to see the unique effect. When viewed under normal white light, the majority of the creatures have a muted brown and beige colour

The 39-year-old said: ‘It is still not fully understood why certain creatures fluoresce and others do not. ‘I have even seen two identical fish side by side where one fluoresces and the other doesn’t. ‘Maybe this is an effect they can turn on and off at will – possibly for communication.’ The pictures show a 10 centimetre anemone hermit crab who lives in the discarded shell of a snail. A striking vivid yellow and green eel, known as the fimbriated moray, appears to approach the camera ready to bite.

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Lisa’s Mantis Shrimp, also known as Spearing Mantis Shrimp, feed on fish, squid and invertebrates, and grow to a length of about 25cm

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A striking striped triplefin fish shines with an amazing red glow, and a fluo mushroom coral lights up the ocean floor in green

Mr Tyrrell managed to find this spectacular fluo bubble coral, fluo hard corals and fluo mushroom coral. A bright green fluorescent sea anemone illuminates the water and is 40 centimetres in diameter. An already alien-like crustacean, about 12cm in diameter and up to 25cm in length, is hidden in its burrow. But it looks even more out-of-this-world when glowing under fluo-lighting. A striking striped triplefin fish and a white-spotted hermit crab light up the water with an amazing yellow and red glow.

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Mr Tyrrell has completed more than 100 dives using this special fluorescent camera equipment. Pictured are fluorescent hard corals shown against a dive light

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A bright green fluorescent sea anemone illuminates the water and is 40 centimetres in diameter. All images were taken in Asian Pacific tropical water that reaches a temperature of up to 28°C

Mr Tyrrell has completed more than 100 dives using this special fluorescent camera equipment. He added: ‘I started this because I was diving in the same area repeatedly and wanted to get photos of familiar subjects in a very different light. ‘All images were taken in Asian Pacific tropical water that reaches a temperature of up to 28°C.’I managed to get very close to the creatures and at one point I was only 20 centimetres away from the subject. ‘The majority of the photos were taken in Dauin, Philippines, while a few were taken in Koh Tao in the Gulf of Thailand.’

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A white-spotted hermit crab lights up the water with an amazing yellow and red glow. The majority of the photos were taken in Dauin, Philippines, while a few were taken in Koh Tao in the Gulf of Thailand

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