Ocean heatwave known as 'The Blob' is warming up the West Coast - and endangering animals - USA TODAY

Ocean heatwave known as 'The Blob' is warming up the West Coast - and endangering animals  USA TODAYThe so-called 'blob' covers an area of 4 million square miles, or three times the size of Alaska. It could result in the death of...

Ocean heatwave known as 'The Blob' is warming up the West Coast - and endangering animals - USA TODAY
Ocean heatwave known as 'The Blob' is warming up the West Coast - and endangering animals  USA TODAY

The so-called 'blob' covers an area of 4 million square miles, or three times the size of Alaska. It could result in the death of sea lions and salmon.