A Hydromedusan (Gonionemus vertens), photographed in the White Sea off the north coast of Russia, Arctic Ocean.
(photo: Alexander Semenov) (via: Wired Science)
A Hydromedusan (Gonionemus vertens), photographed in the White Sea off the north coast of Russia, Arctic Ocean.
(photo: Alexander Semenov) (via: Wired Science)