I find this really interesting...
"As part of a new shark tracking program, scientists tagged a healthy 9-foot female great white shark off the Australian coast. Then, four months later, the tracking device was discovered by a beach comber about two-and-a-half miles from where the shark was originally tagged.
When the scientists reviewed the recovered device, they found a rapid temperature rise - from the mid-40s to the high-70s - and a 1,900-foot change in depth. Both can be explained by the animal "living" within the stomach of something much larger. To date, this is all the information scientists have"...
https://www.youtube.com/watch?v=Z_QyGANCUJI&feature=youtu.be
"As part of a new shark tracking program, scientists tagged a healthy 9-foot female great white shark off the Australian coast. Then, four months later, the tracking device was discovered by a beach comber about two-and-a-half miles from where the shark was originally tagged.
When the scientists reviewed the recovered device, they found a rapid temperature rise - from the mid-40s to the high-70s - and a 1,900-foot change in depth. Both can be explained by the animal "living" within the stomach of something much larger. To date, this is all the information scientists have"...
https://www.youtube.com/watch?v=Z_QyGANCUJI&feature=youtu.be