Page 42 - Fish and Amphibians (Britannica Illustrated Science Library)
P. 42

Diversity                                                                                                                 SHARK                                    LONG AND FLEXIBLE  40-41       HABITAT, TASTES, AND PREFERENCES  50-51
                                                                                                                                    To locate its prey, the shark
                                                                                                                                    uses several of its senses-smell         ELEGANT CONTOURS  42-43        DANGER IN THE WATER  52-53
                                                                                                                                    and hearing over long distances          DEADLY WEAPON  44-45           KINGS OF DARKNESS  54-55
                                                                                                                                    and sight at short range.
                                                                                                                                                                             TIME TO EAT  46-47             SEA SNAKES  56-57
                                                                                                                                                                             THE JOURNEY HOME  48-49        OUT OF THE WATER  58-59






































































                     he ocean depths are inhabited                world. The most feared fish is the great                     and trout species, which can travel                     and it involves many dangers. It requires
                     by many types of fish. Some are              white shark, a true underwater predatory                     thousands of miles from their ocean                     so much energy that, after laying their
                     harmless, but others, such as                machine—though it seldom attacks                             home to lay their eggs in the rivers or                 eggs, many females die.
                     the scorpion fish, are among the             humans. In this chapter we will also tell                    lakes where they were hatched. The
        T most poisonous creatures in the                         you about the odyssey of many salmon                         journey lasts from two to three months,
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