One a number of Jellyfish washed up on Tenby North Beach.
A Large - Barrel or Root Mouth Jellyfish - "Rhizostroma Octopus".
Dome shaped with purple / white lobes around the margin.
Harmless and unable to sting , with 8 solid oral - arms , each with many mouths to catch food (plankton) fanned down by the motion of the bell.
A favourite food of Leatherback turtles .
Location: Tenby North Beach