freshwater worm? for identification

freshwater worm? for identification

Observation - freshwater worm? for identification - UK and Ireland. Description: We found this worm curled up in leaf litter on the bottom of a shallow, clear stream en route to Pen Ponds, Richmond Park. Further upstream it looked as if a group of tadpoles were eating one of these creatures.

We found this worm curled up in leaf litter on the bottom of a shallow, clear stream en route to Pen Ponds, Richmond Park. Further upstream it looked as if a group of tadpoles were eating one of these creatures.