Also in this summer, as indeed in all the months of July and August in the Mediterranean Sea, we can witness what we have always considered a spectacle of nature and of the "Mare Nostrum". That is the birth of the Chromis chromis or as we often say of the blue Mediterranean chromis. These little fish are truly to be admired thanks to their intense electric blue. ...

Like all summers we witness the "terrible proliferation of jellyfish" that scares us so much. Mediterranea Cassiopeia (Cotylorhiza tuberculata) (Mediterranean jellyfish, Mediterranean jelly or fried egg jellyfish) that we see in this video is a scifomedusa of the Cepheidae family, and is totally harmless. ...

Rhizostoma pulmo (Barrel Jellyfish) is the largest jellyfish in the Mediterranean Sea, and is also one of the most common and easiest to encounter. Every summer we manage to film some specimens, in this case we found ourselves in front of a real herd of a hundred jellyfish, a rather rare event in recent years. ...