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

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

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

Osprey Reef, Coral Sea, Australia: Low-level aerial slowly travelling over land mass towards coral reef

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

Ningaloo Reef, Australia: Aerial shot of a submerged offshore reef, with waves seen breaking over the reef.

Osprey Reef, CoralSea, Australia:Low-level aerial slowly travelling over submerged coral reef

Two rainbow runner fish circling a barberfish over a reef.

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

A shoal of yellowtail surgeonfish swimming close to a reef.

A Pacific Manta Ray swimming down towards a coral reef.

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

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.

Blue-striped snappers swimming over reef, their yellow colouring looks striking against the blue of the water. As the fish swim out of sight, we can see a couple of hammerhead sharks in the distance.

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.

Osprey Reef, CoralSea, Australia: Low-level aerial slowly travelling over submerged coral reef

Osprey Reef, CoralSea, Australia: Low-level aerial slowly travelling over waves in sea and submerged coral reef in Australia, gradually getting lower and closer to sea

Shoal of blue and yellow fish swim across a coral reef feeding with sunlight reflecting and rippling across the scene

Underwater shot of ocean bed, empty of fish. Camera pans to left across coral reef.

A shoal of yellowtail surgeonfish swimming over a reef.

Underwater tracking shot around a Staghorn coral reef.

A barberfish swimming among several rainbow runner fish over a reef.

Sseveral rainbow runner fish circling a barberfish over a reef.

Osprey Reef, Coral Sea, Australia: Low-level aerial slowly travelling over waves breaking on surface of sea

Underwater shot of a striking coral reef which is teeming with small fish.

Osprey Reef, Australia: Slow motion travelling shot over clear turquoise sea then camera elevates to show expanse of dark blue sea

Two rainbow runner fish swimming in a circle over a reef.

Blue-striped snappers swimming over reef, their yellow colouring looks striking against the blue of the water. As the camera travels through the crowd of fish, we can see a couple of hammerhead sharks in the distance. One comes closer but then quickly flinches, turns, changes direction and swims away.

Two rainbow runner fish and a barberfish swimming in a circle over a reef.

Ningaloo Reef, Australia: Aerial shot of a submerged offshore reef, with waves seen breaking over the reef.

Osprey Reef, Australia: Slow motion travelling shot over waves breaking on clear rough sea

Osprey Reef, Australia: Slow motion travelling shot over clear turquoise sea then camera elevates to show expanse of dark blue sea with dramatic waves of surf breaking

A large shoal of sardines swimming over a reef in shallow water.

An underwater tracking shot over a colourful coral reef.

Osprey Reef, Coral Sea, Australia: Travelling aerial shot close to surface of sea over submerged coral reef in Australia

Shoals of tropical fish swimming around a coral reef.

Osprey Reef,Australia: Slow motion travelling shot above reef close to surface of clear turquoise sea with waves breaking

Pair of Spotfin Butterfly fish swim as a pair over a colourful coral reef.

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

A large shoal of blue-striped snapper fish swimming over a reef.

Underwater shot of coral reef. Camera pans to left across coral reef to show sea bed, then pans back to right to show coral reef again.

Underwater shot of lots of small, colourful fish teeming over a coral. A dome-shaped pink coral is at the centre of the reef.

Camera travels underwater alongside a coral reef which is teeming with small, colourful fish.

Underwater tracking shot along a coral reef which is teeming with small, colouful fish.

Underwater shot of a large shoal of sardines swimming over a coral reef. Strong ocean currents move the fish in a swaying motion.

A shoal of sardines swimming over a reef in shallow water.

A Pacific Manta Ray swimming over a coral reef.

Osprey Reef, Coral Sea, Australia:Low-level aerial slowly travelling over landscape of submerged coral reef