Page 23 - Fish and Amphibians (Britannica Illustrated Science Library)
P. 23

Life in the Water  GLOBEFISH                                PROTECTIVE LAYER  20-21     YOU ARE WHAT YOU EAT  30-31
             When threatened, this strange
             animal reacts by swallowing                     EXTREMITIES  22-23          LIFE CYCLE  32-33
             water until it blows up like a                  THE ART OF SWIMMING  24-25  MATTERS OF LIFE AND DEATH  34-35
             balloon.                                        WONDERS OF COLOR  26-27     THE BEST DISGUISE   36-37
                                                             ASSORTMENT OF SHAPES  28-29






































































 he idea that fish are blind is  camouflage themselves or defend their  (ranging from greenish brown to dark  the crystalline blue of lakes. Seen from
 wrong. Most fish have the best  territory. Most fish can vary their  blue), but the sides of their bellies are  below, the lower part becomes confused
 possible eyesight for their  coloring when something changes in  silvery white. When viewed from above,  with bright reflections in the water.
 habitat. Further, they can see in  their environment. Silverfish, common in  their backs become confused with the
 T color and use colors to  all freshwater habitats, have dark backs  deep hues of the river water or even with
   18   19   20   21   22   23   24   25   26   27   28