Page 17 - Super Shark Encyclopedia
P. 17

STATS AND FACTS                                                    1                           Protracting
              13            TIME TO SWALLOW PREY                1.25 sec                                                   muscle contracts
                                                                                                                           to pull throat
               YEARS                        0.3 sec (front jaws    (prey reaches                                           jaws forward
                                            grab prey)
                                                                 food pipe)
               LIFESPAN               sec      0.5        1        1.5                                       Second set of jaws
                                                      0.75 sec (throat        90                             ready at back of throat
                                                      jaws grab prey)           USUAL NUMBER OF TEETH
           The moray eel is not    WEIGHT
           a fast swimmer but it            66 lbs/30 kg (max. weight)                         2
           makes up for this with
                                      lb    20     40     60     80
           its swift double-jawed                                                                                         Throat jaws
           bite, completed in                                                                                             shoot forwards
                                      kg     10     20      30     40
           just over a second.                                                                                            to grab prey
                                                                                               3
         Upper retracting muscle
          pulls second set of jaws                       Front set of jaws                                                Upper retracting
               back into throat                         takes the first bite                                               muscle contracts
                                                                                                                          to pull second set
                                                                                                                          of jaws back

                                                                                                    GRABBED BY THE THROAT
                                                                                                Most kinds of fish suck prey into their mouth
                                                                                                and then use their throat jaws to crush their
                                                                                                victim. Moray eels have poor suction, so they
                                                                                                  project their throat jaws—complete with
                                                                                               teeth—forward to grab and swallow their prey.


                                                                                               Second set of jaws at back
                                                                                               of throat shoot out to take
                                                                                               second bite













                                                                                                           Fish is unable
                                                                                                           to escape from
                                                                                                           powerful jaws













                                                                                                                                        AMAZING ANATOMY
                                                  Fish is pulled into
                                                  the food pipe when
                                                  the jaws retract





                                                         FISHING FOR FAVORS
                                                Morays hunt among rocks, but groupers
                Lower retracting muscle
                helps pull second set              (a type of predatory fish) hunt around
                of jaws back                       the reef too. By cooperating, they scare
                                                  prey into each other’s territory. Both eat so
                                                       quickly they never squabble over food.                                        15
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