Species found in an uppershore / strandline pool with sandy botom at Sennen Cove, Penwith, Cornwall. 11.09.11. There were hundreds of these tiny isopods in a relatively small area. They were swimming frantically, and in manner reminiscent of how a whirlygig beetle swims on water.
Species also found at low tide in shallow water at Sennen Cove, Cornwall. 08.07.14. Species observed biting feet of bathers.
Species is locally named the John Harvey bug after a local swimmer, who had his private parts attacked by the species whilst swimming.