As many as 29 pilot whales are still missing and scientists are requesting public to assist them in finding those whales.

As per the National Oceanic and Atmospheric Administration, the lost whales were among 51 whales that were stranded on the edge of Everglades National Park last week.

Among the group, death of 22 whales is confirmed. Necropsies are being performed by the scientists in order to find the reason behind their deaths.

As many as 11 whales were spotted dead on Sunday in the lower Florida Keys and 11 other were found dead last week.

On Friday, some whales were found alive. As per NOAA, these whales were swimming leisurely and in a messy manner. This may give clue that the whales were suffering from exhaustion, dehydration or malnutrition.

Pilot whales are protected under the Marine Mammal Protection Act, but these whales are not endangered. In 2012, almost 24 pilot whales had stranded and beached themselves. In 2011, 23 pilot whales stranded and beached themselves.

US federal officials told that necropsies were performed on 11 pilot whales that were found dead in the Florida Keys confirms that they were emaciated and were suffering from malnutrition.

On Wednesday, six other whales were found dead and four more had to be euthanized. Another whale was found dead on Thursday. As many as 29 whales have not been found yet.