The pilot whales were stranded after the worst mass beaching in the country's history.
The whales — called Little White and Little Grey — were captured in Russian waters and sold to Changfeng Ocean World aquarium in Shanghai over ten years ago.
A further 200 dead whales were found close to where hundreds of beached animals were discovered earlier this week.
A pod of pilot whales stranded on sandbars off Australia's southern island of Tasmania state.
A ten-metre-long male sperm whale, which was entangled in fishing nets, has been freed by the Italian coast guard in the Mediterranean Sea. The illegal fishing net had prevented the whale from moving its tail fin.
Local residents rallied together to rescue the stranded whales.
Tour guide and professional diver Julio Cesar Castro joined forces with other volunteers to rescue a humpback whale on Monday (July 29) which was trapped in a fishing net near El Nuro beach off the Peruvian coast.
Wildlife photographer Chase Dekker captured a sea lion falling into the mouth of a humpback whale in what he calls a "once-in-a-lifetime" moment.
"At 5 to 10 feet, there's no chance to even try to maneuver the vessel," the director of operations for the Washington state ferries system said.
The 41-foot-long adult female was spotted Monday at Ocean Beach and would have been hit by a ship.
Russia's 'whale jail' set to close after international outcry