Shoal of blue and yellow fish swim across a coral reef feeding with the suns rays rippling across the aquatic sea floor.

Point of view shot (POV) swimming through a reef, passing shoals of beautiful fish. A pacific manta ray approaches and passes by.

Trio of Dolphins swim together around a reflection of the sun and move out of view

Underwater close up view of the underside of a large sting ray as it swims upwards towards the surface.

Upside-down jellyfish swimming down to the seabed.

Underwater shot of a coral reef teeming with small, colourful fish.

Blue and orange colourful fish turns in front of camera with yellow fins flapping.

A scalloped hammerhead shark swimming past a shoal of yellow fish.

Underwater shot of a large shoal of Sardines swimming, camera moves through sea water and the fish move sideways to avoid it.

A rainbow runner fish and a barberfish swimming alongside each other. The rainbow runner fish is trying to catch smaller fish in its mouth.

Underwater shot of a coral reef in Papua New Guinea. Shoals of fish swim around the reef.

London, England: Close shot of a lionfish with needle-like spikes swimming slowly amongst rocks in aquarium at Chessington Sea Life Centre.

A purple-banded jellyfish swims into shot. Its bell, tentacles and long trailing arms can be seen clearly.

Underwater shot of a group of small fish swimming over a coral reef.

Underwater shot of bright orange Garibaldi fish swimming amongst swaying,seaweed. Fish occasionally swim up to the camera, great contrast between orange fish, blue water and sea vegetation.

Two rainbow runner fish circling a barberfish over a reef.

A scalloped hammerhead shark swimming through a shoal of fish over a reef.

Close-up shot of a purple-banded jellyfish. Its bell, tentacles and long trailing arms can be seen clearly.

A moon-jellyfish swimming silhouetted against the water's surface.

A scalloped hammerhead shark swimming above a shoal of yellow fish.

Shoal or school of creole wrasse tropical fish swimming in all directions against blue sea water, they are silhouetted so appear dark in colour

A group of scalloped hammerhead sharks swimming.

Shoal or school of creole wrasse tropical fish swimming in all directions against blue sea water, they are bright blue in colour

A rainbow runner fish and a barberfish swimming alongside each other.

A shoal of yellowtail surgeonfish swimming close to a reef.

A Pacific Manta Ray swimming down towards a coral reef.

Close-up shot of a large shoal of blue-striped snapper fish swimming together.

Underwater shot of a large shoal of sardines swimming over a coral reef.

Underwater shot of a Southern Right Whale swimming in the ocean towards an underwater photographer who takes photos of the whale. The cameraman looks tiny as the whale swims to be on his side.

Camera moves underwater towards a coral reef which is teeming with small fish. Part of the coral reef overhangs from the rest of the reef, small fish are investigating its white surface.

A shoal of beautiful bright yellow fish swimming above a reef.

A rainbow runner fish trying to catch smaller fish in its mouth, while a barberfish swims closeby.

Close-up shot of a purple-banded jellyfish ascending in mid-water. Its bell, tentacles and long trailing arms can be seen clearly.

Monkey Mia, Australia: Air view travelling over peninsula with steep cliffs and waves breaking on the shoreline.

Slow tracking shot underwater next to a coral reef, some of the coral looks like a brain. The camera goes lower and descends deeper into the sea, travelling along the reef. The reef forms patterns against the blue backdrop of the water, you can see small fish swimming. Orange coral forms web-like patterns. There are numerous shapes formed by the different corals as the camera moves gracefully past.

Underwater shot of many small and colourful fish swimming around a dark, spindly coral. The fish swim to take cover in the coral and return to swim playfully around it.

Shot following a shoal of yellowtail surgeonfish as they swim close to a reef.

Underwater shot of many small, colourful fish swimming over a pale coloured coral reef. The fish contrast against the vivid blue sea water.

Underwater shot of soldierfish swimming over a coral reef with blue-striped snappers swimming in the background.

Point of view shot (POV) swimming above shoals of beautiful bright yellow fish. In the distance a group of scalloped hammerhead sharks can be seen.

Shoal or school of bright blue creole wrasse tropical fish swimming against blue sea water. Another breed of fish, a bit bigger, swims through them, an indvidual in the crowd.

Close-up shot of a large shoal of blue-striped snapper fish swimming over a reef.

Underwater shot of a whitetip shark swimming towards the camera and turning away in front of it. Pilot fish swim playfully around the shark.

Underwater shot of a common seal lounging in a rock crevice. It curiously sniffs the camera and swims away.

Medium close up of octopus' arms moving with white suction cups clearly visible as it stretches its arms around.

Underwater shot of a shoal of surgeonfish swimming over a coral. Their black scales contrast against the vivid blue water in the background.

Shot circling a purple-banded jellyfish which is swimming along in mid-water. The jellyfish moves slowly but gracefully. Its bell, tentacles and long trailing arms can be seen clearly.

Yachts and sail boats docked at a marina in Miami, Florida USA. A small yacht slowly leaves the marina.

Upside-down jellyfish resting on the seabed with its umbrella pulsating.

Underwater shot of a whitetip shark swimming in open water with three pilot fish in tow. The shark does a turn in front of the camera and swims away.