It's Xinhuanet, so take it with a grain of salt. But even if this is phony PRC naval propaganda, the headline and the story are too good not to re-blurb, and here's the "official" Xinhuanet photo, which I can't repost here because they're jerks about re-use.
Thousands of dolphins blocked the suspected Somali pirate ships when they were trying to attack Chinese merchant ships passing the Gulf of Aden, the China Radio International reported on Monday. The Chinese merchant ships escorted by a China's fleet sailed on the Gulf of Aden when they met some suspected pirate ships. Thousands of dolphins suddenly leaped out of water between pirates and merchants when the pirate ships headed for the China's.