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Rare Deep-Sea Seven-Arm Octopus Fragments Wash Ashore in Scotland

After identification as Haliphron atlanticus, the fragments were frozen for study.

Overview

  • Parts of the animal were first found by a beachcomber on November 30 at Collieston’s Forvie National Nature Reserve, prompting expert review.
  • Additional remains, including a beak and more arms, were recovered along the Ythan estuary by December 4.
  • The species typically inhabits depths greater than about 1,600 feet and is seldom observed alive, with reports noting a recent ROV sighting in Monterey Bay.
  • Marine biologist Lauren Smith said the cause remains unclear, citing possibilities such as trawl bycatch, whale predation, or disorientation in shallow water.
  • Researchers initially weighed a giant squid identification before confirming a seven-arm octopus, with arms around 20 inches, and some material may be preserved as museum specimens.