No time to write longer intros for all these, but here are a bunch of links from around the web for you:

AP Wire | 10/31/2006 | Scientist says large coral disappearing

BBC NEWS | Science/Nature | 'Only 50 years left' for sea fish

eBay.co.uk: Buy back an Icelandic whale's life

Download latest issue of UwP Magazine

World Festival of Underwater Pictures

More than 13 tons of derelict fishing gear has been removed from the fragile coral reef environment of the Northwestern Hawaiian Islands Marine National Monument
NOAA News Online (Story 2733)

Ocean fish, seafood could collapse by 2048: study - Yahoo! News

Stop the Online Trading of Shark Parts | Ocean Realm Society

The Japan Times Online - Dolphin kill dogged by mercury, activists

No time for diving? Try your washing machine:
YouTube - Ariston - Aqualtis