Scientists are tagging jellyfish to study their role in marine life off the Welsh and Irish coasts.
Although consisting of 98% water and some being the size of dustbin lids, biologists say they are “tough, robust animals”, making tagging possible.
Around 10 Lion’s Mane and 20 Barrel Jellyfish will be studied with particular interest in jellyfish as a food supply for leatherback turtles.
Experts from Swansea, Belfast and Cork will also examine how long they live.
Meanwhile, beachcombers who find any of the jellyfish washed up dead could claim a reward.
The research project is paying
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