Hog's head ?

I spotted this in the River Kinder at Hayfield  - It looked just like a discarded Hog's head to me. 

A Dipper was dipping nearby but only in the dark bits.

Walked back down Kinder Road to the village - I normally only drive past so I took the opportunity to get a photo of Arthur Lowe's blue plaque - Hayfield born ( added as Extra)