'Living Fossil' Fish Found To Have A Shrunken, Defunct Abdominal Lung

The coelacanth is an intriguing sea creature and among its many unique features is a shrunken, defunct abdominal lung.

The coelacanth is an intriguing sea creature because it's one of the few believed to have survived the mass extinction that occurred 66 million years ago.
That accomplishment has prompted some scientists to declare the fish a ‘living fossil,’ and researchers recently took a close look at a number of them. 
In their examinations, they confirmed the coelacanth has a shriveled, defunct lu