The Dussumier's halfbeak (Hyporhamphus dussumieri), also known as the slender garfish, lives in reefs and shallow lagoons. It is an Indo-Pacific species which is found from the Seychelles east to the Tuamotu islands, north to Hong Kong and Okinawa and south to northern Australia. They form schools which are found near the surface of lagoons and seaward reefs.

Scribbled Filefish, Aluterus scriptus, commonly known as Scrawled filefish, Broomtail filefish or Scribbled leatherjacket, is a marine fish belonging to the family Monacanthidae. This species has a circumtropical repartition, it can be found in the tropical waters from the Atlantic Ocean, the Indian Ocean and the Pacific Ocean.

The Live Sharksucker or Slender Sharksucker, Echeneis naucrates, is a species of marine fish in the family Echeneidae Echeneidae. A live sharksucker is known to attach itself temporarily by its modified dorsal fin used as a sucking disc to various hosts, such as shark, rays, large bony fishes, sea turtles, whales, dolphins, ships, and even sometimes scubadivers.

Also in this year we are witnessing the now common and usual phenomenon of the inflorescence of marine mucilage along the coasts of our sea. At the same time as the mucilage, however, an excessive proliferation of the microalgae Ostreopsis cf. Ovata. Qhese two phenomena should not be connected or at least should not occur at the same time so frequently...

The Blacktip reef Shark (Carcharhinus melanopterus) is a species of requiem shark, in the family Carcharhinidae, which can be easily identified by the prominent black tips on its fins (especially on the first dorsal fin and its caudal fin). Among the most abundant sharks inhabiting the tropical coral reefs of the Indian and Pacific Oceans, this species prefers shallow, inshore waters. Its exposed first dorsal fin is a common sight in the region. The blacktip reef shark is usually found over reef ledges and sandy flats, though it has also been known to enter brakish and freshwater environments.

Chinese Trumpetfish, Aulostomus chinensis, is a demersal marine fish belonging to the Aulostomidae family. Aulostomus chinensis is a medium-sized fish which grows up to 80 cm in length. Its body is elongated ...

Azure Vase sponge, is a species of sea sponge belonging to the Demospongiae class, family Callyspogiidae. This movie movie was made during a diving in the Carribean sea, in the coral reef of Cayo Largo, a small island in the Los Canarreos Archipelago ...

We are in Sardinia, Capu Mannu, at the beginning of the Sinis peninsula Oristano province ...