Page 76 - DK Children's Encyclopedia
P. 76

Coral reefs                                                                       SEE ALSO

                                                                                              ▸ ▸ Animal homes
                                                                                                p.23

           Coral reefs are underwater structures where many plants                            ▸ ▸ Fish  p.101
           and animals live. They are made by tiny animals called                             ▸ ▸ Invertebrates
           corals that grow hard shells. When they die, the shells                              p.139

           remain and new corals grow on top of them. Some coral                              ▸ ▸ Oceans and seas
                                                                                                p.187
           reefs can grow very big.                                                           ▸ ▸ Vertebrates  p.266





        Coral reef                                                                     Great Barrier Reef
        Coral reefs cover only a tiny   Trigger fish eat coral,   Green sea turtles    This reef is home to more than 1,500
                                                                                       different types of fish. It is the
        part of the ocean, but are    using strong teeth that   have sharp beaks       longest reef in the world and is
        home to nearly a quarter of   crush the corals’ shells.  to break off          found off the east coast of Australia.
        all ocean life. The reefs are                          seagrasses to eat.
        full of food for sea creatures.





        Tiny clown fish       This red coral forms
        live among the        a branchlike shell.
        tentacles of
        anemones.                                                            These hawkfish hide
                             The organ pipe                                  among the coral,
                             coral has feathery                              swimming out to grab
                             tentacles that                                  small fish and shrimp.
                             trap food.

                       Anemones have
                       swaying tentacles
                       that sting fish if they
                       get too close.

                                                                                            The shells of these
                                                                                            corals are covered in
                                                                                            small black spines.

                                                                                                    Banded coral shrimp
                                                                                                    are small animals that
                                                                                                    feed by cleaning the
                                                                                                    skin of fish.













             Blue corals join                                            Fan corals bend and       Many small animals
             together to form                                            sway in the water,        use the seagrasses
             columnlike groups.    If threatened by other
                                   animals, reef crabs                   catching food.            as hiding places.
                                   pretend to be dead.

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