Filograna implexa (Salmacina incrustans) is a marine species of tubular worm belonging to the class of sedentary Polychaeta of the Serpulidae family. This species is found in the waters of the Mediterranean Sea, the English Channel, the North Sea, the Gulf of Mexico and off the coast of Monzambique, and from South Africa to New Zealand.

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 therefore we can easily find it among the Posidonia oceanica meadows, on the various detrital bottoms and in coral reefs. The red color characterizes this worm from the other species of the same family.

The answer is yes! and in the video we see how this octopus is growing back its three tentacles in front of its eyes. The octopus is both a predator and a prey and it often happens that when fighting groupers, conger eels, moray eels and other predatory fish, our friend loses one or more of its tentacles, but saves its life by escaping. ...

The Giant Trevally (Caranx ignobilis), also known as the lowly trevally, barrier trevally, ronin jack, giant kingfish, or ulua, is a species of large marine fish classified in the jack family Carangidae. The Giant Trevally is distributed throughout the tropical waters of the Indo-Pacific region, with a range stretching from South Africa in the west to Hawaii in the east, including Japan in the north and Australia in the south.

The Great Cormorant (Phalacrocorax Carbo, (Linnaeus, 1758) is a species of bird in the shag family. It is a large bird with black body and a hook beak. There is however a large variation in size in the wide range of species. Cormorants of various weights have been reported, but the average weight is around 2.6 to 3.7 kg. The length can range from 70 to 102 cm and the wingspan from 120 to 160 cm.

Bigfin reef Squid, Sepioteuthis lessoniana, commonly known as the glitter squid or oval squid, is a species of loliginid squid. It is one of the three currently recognized species belonging to the genus Sepioteuthis. Studies in 1993, however, have indicated that bigfin reef squids may comprise a cfyptic species complex. The species is likely to include several very similar and closely related species. Bigfin reef squids are characterised by a large oval fin that extends throughout the margins of its mantle, giving them a superficial similarity to cuttlefish. They are small to medium-sized squids, averaging 3.8 to 33 centimetres in length.

Carmelo Noli was a tugboat, now it is one of the many wrecks of the Second World War that we can find in our Mediterranean. We were on this wreck more or less two years ago, intrigued by some reports of grabbing by some local fishermen, which we then saw published in the Notices to Seafarers of 16 May 2012. ...

We planned this scuba dive in the area between Livorno and Gorgona Island. We are over 12 nautical miles from Livorno and about 6 miles from Gorgona. In this area the seabed rises from over 100 meters deep to 48 metres. It is an area that we know well in the part between 48 and 54 meters deep, but the sea always reserves unexpected surprises: in fact from the echo sounder we saw that there are reef at depths of 60, 70 meters and more.

Flathead grey mullets it is a fish able to withstand wide variations in salinity, in fact we find it regularly in marine waters, fresh or brackish waters. Extremely adaptable to all environments; we often find it at the mouths of rivers, in lagoon areas where sea water mixes with fresh water from the hinterland and inside bays and harbors. Usually shy and suspicious, because often the object of predatory fish hunting, in this case he let himself be approached by the diver's camera who took the opportunity to make a close encounter.