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. ...

Palaemon elegans sometimes known by the common name rockpool shrimp, is a species of shrimp of the family Palaemonidae. Gamberetto di porto Palaemon elegans Rockpool shrimp intotheblue.it ...

Palaemon serratus is a decapod crustacean of the Palaemonidae family. Its vulgar name is greater shrimp, and it is one of the shrimp species that we find in the Mediterranean sea in tide pools and in the intertidal zone, that is, in the area between high and low tide. ...