Researchers have uncovered an under the sea phenomenon where coral-destroying crown-of-thorns starfish larvae have been feasting on blue-green algae bacteria known as 'sea sawdust'. Researchers ...

What makes a starfish blue? (or yellow ... blue but may also occur in other colours (called colour morphs), eg yellow, orange, pink, grey, green-blue and light blue: see the images below. Their arms ...

It looks like a slick of oil floating on the ocean. Then the smell hits you. Dubbed "sea sawdust", the blue-green algae bacteria Trichodesmium has turned the normally blue Coral Sea off the Mackay ...