Pacific Ocean's hidden wonders revealed on dive to underwater volcano

US scientists find possible new coral species and rare Dumbo octopus on expedition to previously unexplored extinct volcano off HawaiiScientists believe they have identified a new species of coral and found a rare Dumbo octopus during an expedition 3,000ft (900m) down in the Pacific Ocean.Diving in a submersible to the previously unexplored Cook seamount, an extinct volcano at the bottom of the sea 100 miles south-west of Hawaii’s Big Island, the three-person team was hoping to examine the