Scuba Diving329 Videos

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.

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.

Schooling bannerfish

The schooling bannerfish (Heniochus diphreutes), also known as the false moorish idol, is a marine ray-finned fish, a butterfyfish from the family Chaetodontidae. It is native to the Indo-Pacific area. The schooling bannerfish is a small fish that can reach a maximum length of 18–21 cm.

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.

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.

Effects of trawling

In this dive made some time ago on a depth ranging from 40 to 50 meters deep we filmed the usual ghost nets lost close to a cliff at a distance of about 5 miles from the coast. We spent almost the entire dive on the rocks that despite the conditions seemed quite vital, ...

Red Lionfish

The Red Lionfish (Pterois volitans) is a fish venomous who live coral reef in the family Scorpaenidae, order Scorpaeniformes. Pterois volitansis natively found in the Indo-Pacific region, but has become an invasive problem in the Carribbean Sea, as well as along the East Coast of the United States.

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.

Elephant Ear Sponge

The Elephant Ear Sponge, (Spongia agaricina, Spongia lamella), resembles a relatively flat bowl. In the lower part it narrows, to form the point of attachment to the rock. The measure ranges from 14 to 80 cm in diameter with a thickness ranging from 1 to 4 cm approximately. It is an endemic species of the Mediterranean Sea that generally lives at depths between 15 and 50 meters, but we can find it up to 150 meters deep.

Masked Bannerfish

Heniochus monoceros, the masked bannerfish, is a marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. Is widespread throughout the tropical and subtropical waters of the Indo-Pacific area from the eastern coast of Africa to Polynesia and from south Japan to New-Caledonia.

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.

Emperor Angelfish

The Emperor Angelfish (Pomacanthus imperator) is a species of marine angelfish. It is a reef-associated fish, native to the Indian and Pacific Oceans, from Red Sea to Hawai and the Austral Islands. This species is generally associated with stable populations and faces no major threats of extinction. It is a favorite of photographers, artists, and aquarists because of its unique, brilliant pattern of coloration.

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.

Yellowback Fusilier

The Yellowback Fusilier beloning to Caesionidae family, is a small to medium-sized fish which grows to about 40 cm. The body coloration is greyish blue with a bright yellow zone on the back. The yellow area goes from the forehead, between the eyes, to the tail, and includes the dorsal fin and thecaudal fin. This area corresponds more or less to the upper third of the body.

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.

Peltodoris atromaculata

Peltodoris atromaculata, more commonly known as the dotted sea slug or sea cow, is a species of sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Discodorididae. It dwells in salt water up to the depth of 40m. It is exclusively found in precorralligene and coralligene communities and is very common in such communities.

Sea Whip Coral

I filmed this sea Whip coral during an underwater excursion to Maldives. The Gorgonias are an important biological indicator because they are very sensitive to pollution and sea heating; moreover, inside them we find a remarkable biodiversity composed of invertebrates of every species and of fish that use the colony both as a refuge and as a place to lay eggs safely.

Fanworm - Sabella spallanzanii

European Fanworm is one of the easiest organisms to encounter during a dive or more simply when you go underwater at any depth. However, it is almost impossible not to stop and admire it trying to observe it ...

Forkbeard - Phycis phycis

We are on a shoal in the middle of the sea, the seabed varies from 38 to 42 meters deep and we are in the classic habitat of the Mediterranean grouper, the Moray helena and the Mostella or Musdea, Phycis phycis ...

The red-tuft Protula

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 ...

Painted Dorid- Felimare picta

With this article we add a new species to the Nudibranchis filmed on intotheblue.it. This is Felimare picta, one of the most colorful sea snails belonging to the genus Nudibranchia in the Mediterranean Sea. ...

Annular sea bream - Diplodus annularis

With Annular sea bream, Diplodus annularis, we completed the species of Seabreams present in the Mediterranean sea filmed on this site. Sarago sparaglione Diplodus annularis Annular sea bream intotheblue.it ...

Flabellia petiolata

Flabellia petiolata  is a green algae in the Udoteaceae family. Flabellia petiolata is native to the Mediterranean Sea and also occurs in the Canary Islands and Cape Verde. Lives at a depth between 10 and 60 meters; the video that I present to you was made at a depth of over 50 meters and highlights a beautiful carpet of this important alga. It grows in coralligenous substrates of the sublittoral often in association with other algae.

Sea urchin reproduction

Also this summer we met some sea urchins all piled in one place. We therefore think we have filmed again the reproduction of  Sphaerechinus granularis. Like other echinoderms, sea urchins reproduce in the summer ...

Common Antlers Sponge

The Axinella polypoides, is a species of sea sponge belonging to the Demospongiae class, family Axinellidae and at phylum Porifera. it's present throughout the Mediterranean Sea. It comes in the form of a sapling and lives at a depth ranging from 20 meters to over 300 meters.

The Three-point Damselfly

The Damigella fish Dascyllus trimaculatus, also known as the Three-point Damselfly, is a tropical species that lives in the Indian and Pacific Oceans: from the Red Sea and East Africa to the Maldives and from southern Japan to the Great Barrier Reef of the Australia.

Sustainable fishing

Sustainable fishing means leaving enough fish in the seas, respecting habitats and making sure that people who depend on the fishing economy can maintain their livelihoods. ...

Diving in Posidonia

Diving in Posidonia can make you think of a boring dive in which it is difficult to find fish and marine organisms. Sometimes this is certainly the case but the Poseidonia oceanica in the Mediterranean Sea is actually a safe haven and a nursery ...

The Dorado or Mahi-mahi

The Dorado or Mahi-mahi can live for up to five years, although they seldom exceed four. Females are usually smaller than males. Catches typically are 7 to 13 kg and a meter in length. They rarely exceed 15 kg, and mahi-mahi over 18 kg are exceptional. Mahi-mahi are among the fastest-growing of fish.

The Bluespotted Grouper

Cephalopholis argus, also known as roi, bluespotted grouper, and celestial grouper, is a fish from the Indo-Pacific which is variously a commercial gamefish, an invasiv species, and occasionally an aquarium resident.

Murena helena close encounter

We are 5/6 miles from the coast on a seabed that varies from 45 to 48 meters deep, where we met a beautiful Mediterranean moray, Muraena helena. ...

Basket star Astrospartus mediterraneus

It looks like a seaweed, a coral, a gorgonian but in reality it is a starfish. We are talking about the Basket starfish, Astrospartus mediterraneus. This starfish lives in close contact with the gorgonians, ...

Deadly Ambushes at Sea

Deadly Ambushes at Sea! It is the struggle for life! As we know, the big fish eats small fish, probably the weakest one, also carrying out a natural selection and a biological balance that has always occurred in a bloody way in nature. Unless human intervention, as more and more often happens in recent years, does not interrupt the biological cycle and thus create imbalances in nature which, as we know, eventually backfire the human.

Golden anemone - Condylactis aurantiaca

Meeting Golden anemone, Condylactis aurantiaca, is always a beautiful event. This anemone also known as sand actinia or sand anemone, lives throughout the Mediterranean Sea and is not always ...

Missing Island

Missing Island is a shoal halfway between the Island of Gorgona and Livorno. The shoal has two summits a couple of miles apart which rise to a depth of about 36 and 46 meters, from a depth of 80 meters on the side of Livorno and over 120 meters on the side of the Island of Gorgona ...

Yellowmouth barracuda - Sphyraena viridensis

Mediterranean Barracuda or Yellow-mouth Barracuda (Sphyraena viridensis) is an endemic species of Mediterranean Sea, although many consider it an alien species ...

The prey of the Octopus

Continue the video series on the Octopus and its behavior. We are on a bed of rock and debris at a depth of about 52 meters. Exploring the seabed we encountered an octopus at the entrance to its hole ...

Clown Triggerfish

Clown triggerfish (Balistoides conspicillum), also known as the bigspotted triggerfish, is a demersal marine fish belonging to the family Balistidae, or commonly called triggerfish. ...

Green wrasse - Labrus viridis

Gren wrasse is one of the most common wrasse in the Mediterranean Sea, the name is due to the color of its livery and its flesh. It is often fished by new divers in apnea ...

Bluespotted Cornetfish

Bluespotted Cornetfish (Fistularia commersonii), also known as smooth cornetfish or smooth flutemouth, is a marine fish which belongs to the family Fistulariidae. ...

Guineafowl puffer

Arothron meleagris, commonly known as the Guineafowl puffer or golden puffer, is a pufferfish from the Indo-Pacific, and Eastern Pacific ...