1500 new sea creatures

Last updated at 10:46
A new species of dolphins in Victoria"s Port Phillip Bay, Australia.EPA
A new species of dolphins in Victoria"s Port Phillip Bay, Australia.

Scientists have found almost 1,500 new creatures in the world's oceans last year.

The World Register of Marine Species has revealed new discoveries such as a hump-backed dolphin and a giant jellyfish that's never been seen before.

Black Star Northern Sea Nettle jellyfish at the Horniman Museum, London
Black Star Northern Sea Nettle jellyfish at the Horniman Museum, London

The new finds bring the total of known marine species to more than 220,000.

But scientists believe there are up to two million creatures still to be discovered.

A moon jellyfish at the Horniman Museum, London
A moon jellyfish at the Horniman Museum, London