Octopuses have 2 eyes and 4 pairs of arms and are bilaterally symmetric. An octopus has a hard beak, with its mouth at the center point of the arms. Octopus lack an internal or external skeleton allowing them to squeeze through tight places. Octopuses are among the most intelligent and behaviorally flexible of all invertebrates.
Contrast occurs between the red starfish and the blue of the sea. Also, the light pattern of the sand contrasts to the heavy pattern of the star. One of these days I am going to find one of these ~ Starfish