Anchovies make a ball

It often happens that anchovies make a ball like in the famous song by Fabrizio De Andrè and Ivano Fossati, except that in this case they are not attacked by the albacore but by saddled breams. Anchovies make a ball intotheblue.it ...

Sustainable fishing Red gorgonia

Among the many definitions of sustainable fishing we find this one: "sustainable fishing means leaving enough fish in the seas, respecting habitats and ensuring that people who depend on the fishing economy can maintain their livelihoods". A fairly effective sentence but rather incomplete since it only talks about fish and economy ...

Ostrea Neopycnodonte cochlear

Ostrea Neopycnodonte cochlear is a species of marine bivalve molluscs belonging to the family Gryphaeidae. This species have been recorded as fossils from the Miocene to the Quaternary (from 15.97 to 0.012 Ma). Shells of Neopycnodonte cochlear can reach a size of about 27–120 millimetres (1.1–4.7 in). Shells are usually brownish or purplish, ...

Striped large-eye bream

Striped Large-eye Bream, Gnathodentex aureolineatus, is present in tropical and sub tropical waters of the Indo-Pacific area from the eastern coast of Africa to the Pacific Ocean's islands, It is not found in the Red Sea or Persian Gulf. The goldspot seabream likes the proximity of reefs which slopes are external or not. Gnathodentex is a genus of ...

Mediterranean increasingly warm: record temperatures and jellyfish

Effects of global warming and the current climate crisis are seen above all in the sea which is becoming increasingly warm and salty. We are now facing a real tropicalization of the Mediterranean Sea which is leading to a too rapid and rapid change of this ecosystem, so we are increasingly witnessing an invasion of alien species ...

Mucillage and Toxic algae Ostreopsis ovata

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 ...

Colours of the Mediterranean Sea

Deep sea has an intense blue color. The light that penetrates the water changes its light intensity and its spectral composition by effect of  selective absorption by water of the different wavelengths that make up the visible spectrum. The ultraviolet and infrared stop the first few centimeters of depth, then extinguished the red, orange, yellow, green and purple and blue that reaches greater depths ...

Dorid nudibranch Felimare picta

Felimare picta is a species of colourful sea slug or dorid nudibranch, a marine gastropod mollusk i the family Chromodorididae. Atlantic Ocean species of Hypselodoris were all transferred to Felimare following a DNA phylogeny. Several species were formerly considered to be subspecies of Felimare picta but several have now been elevated to species rank ...

Melon sea urchin

Melon sea urchin, Echinus melo,  is a species of sea urchin in the family Echinidae. This species grows up to 17 cm (7 in) in diameter. It is spherical or slightly cone-shaped, and the colour of the test is mainly pinkish, yellowish, or greenish-yellow, and banded with white and pale brown, giving it a segmented appearance. ...

Bluefin Trevally

The bluefin trevally (Caranx melampygus), also known as the bluefin jack, bluefin kingfish, bluefinned crevalle, blue ulua, omilu, and spotted trevally), is a species of large, widely distributed marine fish classified in the jack family Carangidae. The bluefin trevally is distributed throughout the tropical waters of the Indian and Pacific Oceans, ...

Leucothea multicornis of Mediterranean sea

During a decompression stop, after having carried out a scuba diving, the surface sea current carried with it numerous transparent marine organisms. They were various Ctenophores that I managed to identify, but what you are seeing could be a Ctenophore, Leucothea multicornis, known as the Veil Ctenophore, because it has all its characteristics. ...