During a night dive you can admire how much life there is in our sea and how fragile and hidden from our eyes it is. While I was trying to film a rhizostoma pulmo (Barrel Jellyfish) with blue light to try to capture some bioluminescence, ...
Belt of Venus or girdle of Venus (Cestum veneris Lesueur, 1813) is a species belonging to the phylum Ctenophora, the only species of the genus Cestum. Ctenophora Cestus veneris Venus girdle www.intotheblue.it ...
In this video made in summer we filmed Mauve stinger or Purle jellyfish, Pelagia noctiluca luminous jellyfish. We stopped to film three specimens we met during the same swim, snorkelling in the waves, trying hard to avoid contact with these jellyfish. In fact, the Pelagia noctiluca - Luminous jellyfish - is the most dangerous jellyfish in the Mediterranean Sea, contact with its tentacles can cause painful skin irritations and burns. ...
Also this summer we met one of the many "wanderers of the sea" that is one of those species such as tunicate jellyfish and ctenophores that let themselves be carried away by the currents, reducing their movements to a minimum. We are talking about the Glass Ctenophore - Bolinopsis vitrea - which we have already filmed some time ago, this specimen seems quite old but as soon as touched it showed us the splendid reflections of bioluminescence that the ctenophores activate when they are stimulated. ...
The beauty of the underwater world is that the distribution of life and various species is distributed 360° along the entire water column, even if not exactly uniformly. Marine biologists divide marine life into three macro-categories based on where they live and how they move, or rather into three marine biological categories: Plankton, Nekton and Benthos ...