Morfa Harlech, Gwynedd They have drifted on ocean currents for 500m years, pulsing gently towards landfall The wave smudges out something written in the sand with a stick. I imagine it as a spell cast to charm ashore those lost at sea. And so it does, as tides ebb and flow, stranding the barrel jellyfish. These extraordinary creatures, also known as dustbin-lid jellyfish because of their size and shape, have been shipwrecked after an epic voyage.Rhizostoma pulmo or R octopus is the largest jellyfish in British waters (they can grow to nearly 90cm in diameter) and is harvested around Wales for high-value medical-grade collagen. It feeds on plankton and its sting does not injure humans any more than do nettles; it is fed upon by leatherback turtles and sunfish. Continue reading...
Country diary: huge jellyfish shipwrecked on the sands
4. října 2017 6:37
Příroda
Celý článek: https://www.theguardian.com/environment/2017/oct/04/country-diary-huge-jellyfish-shipwrecked-on-the-sands
Zdroj: The Guardian