It is called Percnon gibbesi. It is an "alien" crustacean spotted in the Mediterranean, for the first time in 2009, in Linosa, but probably already present ...
Like all summers, we can see the birth of the fry of black Damselfish Chromis chromis. In the video they are well recognized for the characteristic of being of an intense electric blue colorr. ...
The Pagurus belongs to the Paguridae family. Hermit crabs are crustaceans with a curved and soft abdomen. It lives in empty shells of gastropods on which it sometimes attacks sponges or poisonous actinias to camouflage and defend itself. In case of danger it can withdraw completely inside the shell. The end of the tail of the hermit crab is suitable for strongly grasping the shell it always carries with it. When it grows and the size of the shell is no longer suitable is search for a new shell to protect yourself. In the video we see a hermit crab that has taken possession of the shell of the sea snail Phalium glaucum, a marine gastropod mollusc of the Cassidae family