Larval Leaf Scorpionfish (photograph by Chris Newbert, Minden Pictures). Lacking any other defense, many larval fish have adapted transparency as a method of camouflage—such as this tiny, see-through larval leaf scorpionfish in Hawaii.
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