After photos of it were posted to a Facebook marine study group, theories mooted as to the identity of the blob included it being a whale placenta, some form of giant stomach or intestine – or perhaps even a deflated weather balloon.

​After photos of it were posted to a Facebook marine study group, theories mooted as to the identity of the blob included it being a whale placenta, some form of giant stomach or intestine – or perhaps even a deflated weather balloon.