We are in one of the many underwater caves of the Mediterranean Sea where the colors of the red coral, Corallium rubrum and Yellow cluster anemone, Parazoanthus-axinellae, explode in a splendid show that we can only find in caves. However, the caves are also the ideal habitat for many species of crustaceans such as the Galathea, Galathea squamifera, and the cave crab, Herbstia condyliata. ...