Protula tubularia is a sedentary Mediterranean polychaete also present on the two sides of the Atlantic and in other seas. The vermiform body is protected by a solid calcareous tube, up to 1 cm broad, which the animal builds around, after having chosen for fixing itself a ridge where the currents rich in plankton pass. From the tube in which it moves, which is the house chosen for life, two elegant gill crowns come out ...

The red-tuft Protula lives throughout the Mediterranean Sea in small tubes at depths that can vary from 10 meters to over 100 meters.It is a very common annelid throughout the Mediterranean and ...

During an underwater dive in a submerged reef completely colonized by gorgonians of Paramuricea clavata, I came across Filograna implexa. I was at a depth of between 61 and 65 meters. ...

In the video we see how two specimens of  Hydroides Dianthus in this case Serpulide Dianthus, in this case Serpulide Dianthus, ...