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Moray Eel is often identified as an aggressive and dangerous fish but as we can see from this video it is anything but an "evil titan of the seas". We are on a rocky and coral seabed typical of the Mediterranean Sea at about 46/48 meters deep, where we often meet the Mediterranean moray Moray eel, Muraena helena, and in this case it is seen in the typical diurnal pose, i.e. with the head and a small part of the body outside its den while it rests from the nocturnal raids in search of food but always vigilant in controlling its own territory. ...

Under the surface of the sea an exuberant life is "hidden" that develops in three dimensions, full of countless beings so different from each other where the competition for life sometimes becomes dramatic but always finds a delicate balance of coexistence. The interest in observation leads us to appreciate a wonderful aquatic life, both animal and plant, present at all depths.

Abalones or Haliotis are gastropod molluscs of the genus Haliotidae. In Italy the name that is used is Ear of Venus, a name that derives from the beauty of the pearlaceus side inside the shell. The external side as seen is completely different and looks like a concretion or a rock, and it is precisely for this reason that they are difficult to identify on the seabed or attached to rocks. Our Ear of Venus was in a hole a few meters deep and obviously we only found the shell, probably the residue of the usual octopus meal. ...

In this video we show you a particular form of mutualistic symbiosis, quite widespread in the marine aquatic environment, between a Labroides dimidiatus cleaner fish and a Titan Triggerfish. The cleaning operations constitute a mode of relationship in which the cleaner fish feeds on the ectoparasites, on the now dead skin tissue flaps and on the food residues of the host, which undergoes its care. The "customer", i.e. the fish being cleaned, gains a better fit of its body, while the cleaner gains nourishment.

Phorbas tenacior, Blue sponge is one of the first organisms to colonize new wrecks or any submerged vertical surface not yet colonized by marine organisms. In this video we see it on a wreck about 30 meters deep. Probably this wreck is quite recent, perhaps sunk between the first and second world wars, has several colonies of sponges including the blue encrusting sponge, which seems to prefer vertical walls away from direct sunlight. Obviously we also see it next to other species of sponges of the genus Tedania and Verongia but if we look at the part of the prow the presence of Phorbas tenacior ...