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Experts Confirm Rediscovery of ‘Extinct’ Stalked Jellyfish Depastrum cyathiforme

Scientists plan expanded surveys from the Outer Hebrides to Ireland to determine whether any survivors remain beyond South Uist.

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Overview

  • Photographs taken by Neil Roberts in June 2023 have been verified by specialists as the first modern images of Depastrum cyathiforme.
  • A follow-up survey this summer conducted by British Wildlife magazine located at least one additional individual on South Uist, indicating a remnant population.
  • The species had been feared globally extinct after no confirmed sightings since a 1976 record in Roscoff, northern France.
  • Smithsonian jellyfish expert Allen Collins said the find confirms the species persists and expressed hope of uncovering more specimens.
  • Researchers aim to broaden searches along British and Irish coastlines to map the jellyfish’s full contemporary range.