Unknown on tide line

Unknown on tide line

Observation - Unknown on tide line - UK and Ireland. Description: Strange item found on the tide line. Looked initially as intestines, but appears to be constructed like a bunch of bananas. Small black spots within the strands may be eggs? 5 pence piece in photo for scale.

Strange item found on the tide line. Looked initially as intestines, but appears to be constructed like a bunch of bananas. Small black spots within the strands may be eggs? 5 pence piece in photo for scale.