Pencil urchin - Stylocidaris affinis

Pencil urchin is certainly one of the most curious and most characteristic species of Mediterranean urchins. Its common name derives from the shape of its thorns which resemble a classic pencil or "Lapis" as we say in Tuscany. However, these thorns are quite fragile as they are funny ...

Spiny Starfish - Tank Star

The Martasteria or Spiny Starfish, Marthasterias glacialis, is an echinoderm of the Asteriidae family common in the Mediterranean Sea. Also called a Tank star, due to the characteristic plates bristling with thorns that distinguish it from other starfish, it has a regular shape with five arms. The body is characterized by spines of variable color: white, gray, brown, red, blue. It appears to be the largest species in the Mediterranean, capable of reaching even 85 centimeters in diameter.

Garfish - Belone belone

Garfish, Belone belone, is commonly found in the Mediterranean Sea and in the eastern Atlantic, in the coastal areas around the Canary Islands, Azores, Madeira and Cape Verde, as well as in the Black Sea and the Azov Sea; Belone only lives in the eastern Atlantic and the Mediterranean around the Strait of Gibraltar. ....

Yellow and orange Parazoanthus axinellae: two different species?

We are talking about the case of the Parazoanthus axinellae in Calafuria's reef near Livorno, the very common Yellow cluster anemone omnipresent in the coral bottoms of the whole Mediterranean Sea, all of us divers appreciate its presence and the yellow color ...

Mediterranean feather star - Antedon Mediterranea

Antedon Mediterranea - Mediterranean feather star - is one of the most filmed animal by underwater photographers, certanly for the colors of this splendid owl but above all for the scarce mobility and morphological characteristics of the ten tentacles of the starfish remeber the most famous feathered starfish of tropical seas. ...

Mediterranean jellyfish or fried egg jellyfish - Cotylorhiza tuberculata

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. ...

Chromis chromis - Mediterranean chromis

In this collage of various videos you can see the various stages of growth of the Chromis chromis, the very common black damselfish that inhabits the depths of the entire Mediterranean Sea. At first we encountered the fry in their characteristic electric blue livery. Chromis chromis Mediterranean chromis Castagnola nera intotheblue.it ...

Slipper lobster - Scyllarus arctus

Slipper lobster, Magnosella, Scyllarus arctus (Ciacala di mare or Batti batti) are becoming increasingly rare in our Mediterranean Sea. Slipper lobster has even become a protected species in Italy due to indiscriminate fishing and the change in the conditions of its habitat ...

Common northern comb jelly - Bolinopsis infundibulum

In this collage of videos made in two different dives a few days apart but always in the same stretch of sea we filmed one of the many species of ctenophores that inhabit our Mediterranean Sea, from some research it seems to be the Bolinopsis infundibulum or tentacled Ctenophore.  ...

Discovering new wrecks

The discovery of an unknown wreck is certainly one of the most beautiful emotions a diver can experience. However, it is an increasingly rare event now, the wrecks that can be visited with scuba loaded with compressed air are now practically all known in the various areas of the Mediterranean Sea, ...

Collect plastic and let jellyfish live!

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. ...

Flathead grey mullets among the boats

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. We met him among the boats of the small port of Castiglioncello: a well-known tourist and seaside resort near Livorno. 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.

Eggs of european Squid

The European squid or common squid (Loligo vulgaris) is a large squid belonging to the family Loliginidae. It occurs abundantly in coastal waters from the North Sea to at least the west coast of Africa. This species lives from sea level to depths of 500 m. Its mantle is up to 40 cm long. The species is extensively exploited by commercial fisheries.

Striped red Mullet

The striped red mullet or surmullet (Mullus surmuletus) is a species of goatfish found in the Mediterranean Sea, eastern North Atlantic Ocean, and the Black Sea. They can be found in water as shallow as 5 metres or as deep as 409 metres depending upon the portion of their range that they are in. This species can reach a length of 40 centimetres. Toxic when not cooked. Though most are only around 25 centimetres. The greatest recorded weight for this species is 1 kilogram. This is a commercially important species and is also sought after as a game fish.

Warty crab - Eriphia verrucosa

Eriphia verrucosa (Forskål, 1775),  warty crab or yellow crab is a species of crab, found in the Black Sea, Mediterranean Sea and eastern Atlantic Ocean from Brittany to Mauritania and the Azores. Individual crabs have been caught as far north as Cornwall. ...

Mucilage in May!

Here we are! and also this year we are here with mucilage phenomenon, the problem is: we are just in May and a week ago there was absolutely nothing in the same place! Could we blame all this on Hannibal anticyclone and the anomalous heat of this season ?! ...

Sea sponge Tedania anhelans

Tedania anhelans is a sea sponge that has an arborescent shape with colors that vary from transparent to light gray or dark gray depending on the conditions and depths of the environment in which it lives and personally I also add based on age: more pale in the juvenile phase or darker in the mature phase. It is present throughout the Mediterranean Sea at a depth ranging from 10 to over 100 meters on hard substrates, in rocky walls but also, as in our case, on Gorgonians and fishing nets abandoned for several years. In fact, the Tedania sponge reproduces very easily.

Purple Starfish

The Purple Starfish, is a species of starfish from the East Atlantic (from mainland Portugal and the Azores down to the Gulf of Guinea) and the Mediterranean Sea. It has a big variation in colour (from red to orange) and may present brown spots. The central disc is small, covered by irregular plates, and the arms are thinner near the central disc. Each arm has lines of respiratory papillae. It can reach 40 cm in diameter.

Octopus seen closely HD

Given the success of the video of this octopus (Common octopus Octopus vulgaris) made a few years ago, we decide to republish it in high resolution, eliminating some cut parts and slowing down a few moments such as that of the encounter and escape ...

Catshark egg case

During a scuba dive I encountered this Catshark egg attached to an abandoned anchor rope on the seabed. The Catshark is a predominantly nocturnal fish that hides in the burrows and ravines of submerged cliffs during the day. Typically this small shark fixes its eggs to the various Gorgonians to make the most of the sea currents. In this case, as there were no Gorgonians in the seabed, he used the rope abandoned on the bottom by a boat.

Volcanic spring

They are often hot springs rich in mineral salts with varying temperatures. These thermal waters originate from the groundwater which, descending in depth, meet the hot rocks or are due to the condensation of the steam generated by the encounter of the water with the hot rocks.

Mediterranean coral reef of Calafuria

Calafuria coral reef near Livorno is one of the most beautiful coastal areas in Tuscany in the stretch from Quercianella to Livorno. Overlooking the sea, this splendid cliff continues its profile even under the sea surface until it reaches a depth of 36 meters, a short distance from the shore, and then rests on a seabed of sandy debris mixed with mud.

Bluefish

The bluefish (Pomatomus saltatrix) is the only extant species of the family Pomatomidae. It is a marine pelagic fish found around the world in temperate and subtropical waters, except for the northern Pacific Ocean. Bluefish are known as tailor in Australia and New Zeeland elf and shad in South Africa. It is a popular gamefish and food fish.

Basket Star

The Basket Star is characterized by five tentacles, each branched several times, with which it clings to the branches of the soft corals and which are opened at night to feed on. The body has a diameter that can reach 8 centimeters, with the complete opening of the tentacles the maximum width of the entire animal can reach 80 centimeters. It feeds passively with the open tentacles, in particular of planktonic microparticles.

Spotted sea hare

The Spotted sea hare, Aplysia dactylomela, is a species of large sea slug, a marine opisthobranch gastropod in the family Aplysiidae, the sea hares. As traditionally defined, this species of sea hare was cosmopolitan, being found in almost all tropical and warm temperate seas, including the Mediterranean Sea where first seen in 2002 and likely self-established due to increasing temperatures.

Too many fishing nets lost

The marine environment is affected by all kinds of pollution that has always been caused by human activities but from the industrial era to the present day it has developed exponentially to the point that we may consider not to return. A human activity in direct contact with the sea is certainly represented by professional fishing. Fishing is generally practiced by trawl nets or fishing net. The fishing net net is certainly the most compatible because it is practiced selectively and more respectful to the environment.

Green wrasse - Labrus viridis

Green wrasse usually lives on rocky bottoms and Oceanic posidonia at a depth of 10 to 15 meters, where it finds its ideal habitat. This fish can live well even around 45/50 meters but it is rarely found in shallow waters. In this video we see it in a very few meters of depth ...

Mediterranean Parrotfish

The Mediterranean parrotfish (Sparisoma cretense) is a species of parrotfish found at depths up to 50 m along rocky shores in the Mediterranean and the eastern Atlantic, from Portugal south to Senegal. It is generally common, but uncommon or rare (locally even absent) in the northwestern Mediterranean and in the Adriatic Sea.

Attack of the mediterranean Grouper

In this short video we see a Mediterranean grouper, Epinephelus marginatus, making a lightning-fast sprint towards a probable prey. It would seem the classic attack of a predatory fish but even if you slow down ...

Young sea bass

Sea bass is one of the most curious fish of the Mediterranean Sea, the freediving divers who exploit this characteristic of this species to catch it are well aware of it. When the sea bass ...

Spirografo Bispira viola

Sabella pavonina, commonly known as the peacock worm, is a marine polychaete worm belonging to the family Sabellidae. They can be found along the coasts of Western Europe and the Mediterranean. It is found in shallow, tidal waters with a bed of mud, sand or gravel. It is sometimes found on rocks or shipwrecks.

Bearded fireworm

Hermodice carunculata, the bearded fireworm, is a type of marine bristleworm belonging to the Amphinomidae family, native to the tropical Atlantic Ocean and the Mediterranean Sea. Bearded fireworms are usually 15 centimetres in average length, but can reach up to 30 centimetres. The bearded fireworm is a slow creature, and is not considered a threat to humans unless touched by careless swimmers. The bristles, when flared, can penetrate human skin, injecting a powerful neurotoxin and producing intense irritation and a painful burning sensation around the area of contact.

Gold coral

The Savalia savaglia, commonly known as gold coral, is a species colonial in the family Parazoanthidae. This organism is commonly called "false black coral". It owes its name to its ability to produce a dark-colored horny skeleton, usually blackish. The colonies are generally settled on pre-existing gorgonians skeletons and can grow with ramifications that far exceed one meter in length.

Sciaena umbra - Brown meagre - Corb

In the video we see a sequence of several freediving encounters made with the Brown meagre or Corb, Sciaena umbra. We have filmed this splendid fish many times and we will never tire of posting other encounters given the beauty of this species of Scianidae ...

Oyster Pteria hirundo

The Pteria hirundo is a species of bivalve belonging to the family Pteriidae. The species is found in Europe, Africa and the Americas. The two valves are unequal and the lower one, to which the animal is anchored, is larger and hollow than the upper one. The mollusk has a rounded body, with the margins of the two edges of the mantle fringed.

Calafuria unknown

I made this video off the Calafuria reef at a depth between 45 and 48 meters deep. These are isolated rocks outside the reef and not within the reach of all divers.