Upside-down jellyfish swimming down to the seabed.

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

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.

Mass of little pink jellyfish swarming against a blue background

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

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.

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

Swarm of pink jellyfish with the sun sparkling on them against a turquoise background.

Underwater wide shot of jellyfish swimming in blue water. Detailed shot of tentacles and body as some approach the camera.

Swarm of pink jellyfish floating in the sea with the suns rays shining thought them against a pink background.

A close-up view of an upside-down jellyfish's pulsating umbrella as it rests on sea bed.

A purple-banded jellyfish swimming in mid-water. It moves slowly but gracefully. Its bell, tentacles and long trailing arms can be seen clearly.

Upside-down jellyfish swimming in the sea, contrasting against the sunny water's surface.

Single jellyfish swimming silhouetted against the sun

Mass of little pink jellyfish swarming against a mauve background

A pink jellyfish swims against a blue sea life background.

Various of jellyfish moving in clear (blue) water.

Swarm of pink jellyfish float in the sea with the suns rays shining through them against a mauve background

A moon jellyfish swimming in mid-water.

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

Upside-down jellyfish swimming in the blue sea and finally descends to rest in the sea bed.

A moon-jellyfish silhouetted against the sun as it swims in the blue water.

A large moon-jellyfish moving through blue water.

Mass of little pink jellyfish swarming against a blue background

Various good shots of mushroom shaped white jellyfish in a watertank.

Large red jellyfish glides though the water with a close up of it's tentacles wafting though the water.

A purple-banded jellyfish ascending in mid-water. It moves slowly but gracefully. Its bell, tentacles and long trailing arms can be seen clearly.

Mass of little pink jellyfish swarming against a blue background

Mass of little pink jellyfish swarming against a mauve background

Mass of little pink jellyfish swarming against a blue background

Mass of little pink jellyfish swarming against a blue background

Swarm of pink jellyfish float in the sea with the suns rays shining through them against a turquoise background.

Mass of little pink jellyfish swarming against a mauve background

Swarm of pink jellyfish float in the sea with the suns rays shining through them against a blue background

Mass of little pink jellyfish swarming against a blue background

Swarm of pink jellyfish floating in the sea with the suns rays shining through them against a green background.

Close-up shot of a purple-banded jellyfish swimming in mid-water. It moves slowly but gracefully. Its bell, tentacles and long trailing arms can be seen clearly.

Mass of little pink jellyfish swarming against a turquoise background

Mass of tiny jelly fish floating near the sea surface, the camera moves though the swarm capturing close ups of individual jelly fish.