Body with normally radial symmetry; It has the shape of a bag whose inner cavity is called a gastric cavity. The gastric cavity opens on the outside in a mouth. ...
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 ...
The longstriped blenny (Parablennius rouxi) is a species of combtooth blennies found in the northeast Atlantic off Portugal, also known from the northern Mediterranean. ...
Nosy Be - Madagascar - Barriera Corallina III. A Nosy Be non ci sono pareti con la barriera corallina ma picchi corallini che si alzano da fondali sabbiosi ...