Mat of Oceanic Posidonia dead!

The vertical growth of the rhizomes leads to the formation of a structure called Mat, consisting of a tangle of dead rhizomes and roots among which the sediment remains trapped. Only the top part of these structures is formed by live plants. The formation of the Mat.

Patellas

The Patellas (Patellidae family) are gastropods molluscs of the Archeogasteropodi order. They are typical of the tidal zones of the cliffs, adhere firmly resisting to the most violent storms

Pelagia nocticula jellyfish

Pelagia noctiluca is a jellyfish in the family Pelagiidae.This species of jellyfish, known in Europe as the mauve stinger amongst many other common names, is widely distributed in all warm and temperate waters of the world's oceans

Two-banded sea Bream

Two-banded sea Bream, Diplodus vulgaris, belongs to the class Osteichthyes, subclass Actinopterygii, order Peciformes, suborder Pecoidei, family Sparidae. Oval-shaped, like all the sparidae, it generally has a size around  20-25 cm in adulthood.

Cushion Coral

Cladocora caespitosa (Linnaeus, 1758) is a large madrepore of the order Madreporari, subclass Hexacorallia, Class Anthozoans (Philum Cnidaria).

Why a Concrete Mixer stay at the bottom of the sea ...???!!!

Why a Concrete Mixer stay at the bottom of the sea ...???!!! The sea is polluted by the human activities connected to it.

Striped red Mullet

The Striped red Mullet is widespread in the eastern Atlantic from Norway to Senegal, the Mediterranean Sea and the Black Sea.

Pinna Nobilis and Dusky Grouper

In this video, taken in the Mediterranean Sea, while I was trying to photograph a small freediving Grouper, I found a Pinna Nobilis.