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An octopus has been caught on camera by a scuba diver who noticed that the sea-creature's body was changing colour.
As the camera follows the octopus around, its body can be seen lighting up in a incredible attempt to camouflage itself from potential predators.
Footage - Animal - Warning - Cameraman - Presence
The footage shows the majestic animal flashing aggressively - a warning that it felt threatened by the cameraman's presence.
As the octopus settles down on a spot further along the reef it changes colour and shrinks in size to blend seamlessly with the surrounding coral reef.
Hector - Seguin - Jr - Footage - Whilst
Hector Seguin Jr, 52, captured the footage whilst scuba diving at Ewa Pinnacles, just off the south-west coast of O'ahu, Hawaii.
Mr Seguin said: 'Whilst scuba diving I spotted this particular octopus just lying right out in the open on the reef.
'It - Front - Eyes - Creatures - World
'It was pretty incredible to see this happen right in front of my eyes - all creatures of the undersea world are amazing in their own way. '
The Hawaiian native has completed over 3,500 scuba dives and says he has never seen an octopus so close.
Animal - Camera
The colour-changing animal was caught on camera, which is usually reserved for when it feels threatened.
Octopuses are highly-intelligent beasts that have evolved to master their marine environment and are unique in the animal kingdom for many reasons - having three hearts, for example.
Camouflage - Methods - Self-preservation
Camouflage is just one of their remarkable methods of self-preservation.
Octopuses are part of the family 'cephalapods' and many of these animals have special cells called...
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