Add Yahoo as a preferred source to see more of our stories on Google. The Isles of Scilly (Alamy/PA) A rare multi-coloured sea slug has been spotted in UK waters for the first time. A specimen of ...

It's believed to be the first sighting of the multi-coloured creature in the UK. The sea animal is just 2 centimetres long and was found by a diver off the coast of the Isles of Scilly earlier this ...

Brightly coloured sea slugs are slurping deadly chemicals and stockpiling the most toxic compounds for use on their enemies. While the phenomenon sounds like the stuff of horror films, it is common ...

These stunning creatures look like scary monsters from the deep - but they are in fact little more than 2cm long. The Nudibranchs, commonly known as sea slugs, are incredibly difficult to spot as they ...

The octopus uses chromatophores to change color, texture, and shape for camouflage and communication. This ambush predator changes its skin color to blend seamlessly into coral reefs and rocky ocean ...

While some suggest that the change in the color is a seasonal phenomenon and is normal, hydrobiologist Levent Artüz says it is caused by pollution. The color of the sea turned orange in some places ...