Page 213 - Atlas Of The World's Strangest Animals
P. 213

OPALESCENT SQUID             213





























                 Squid are superb and stealthy hunters, using their huge eyes to  Now the squid’s two tentacles come into play. Before their
                 help them spot prey in the gloomy waters.         prey can react, it is dragged towards the waiting arms.
























                 Eight pairs of arms swiftly wrap themselves around the  The little shrimp has no chance of escape.The squid’s sharp
                 struggling shrimp and pull it into the squid’s open mouth.  beak will make quick work of its tough outer shell.







             colour using pigment-containing cells called            The squid’s body is enclosed in a muscular sheet called
             chromatophores.This is used to great effect as camouflage  the mantle. If squid need to make a quick getaway, they
             and to lure curious prey into their clutches, but it’s seen at  draw water into their mantle and then rapidly contract it.
             its most dramatic when squid gather to breed.Then, they  This forces water out through a ‘waste pipe’ known as
             put on a striking display, using rapid flashes of colour to  the funnel. Squid can also control the direction of their
             communicate their mood and intentions to other         travel by moving the position of the funnel, which is
             members of the group. Interestingly, red is used during  extremely flexible.
             both mating and feeding!                                This ‘super siphon’ can also be used to eject ink. Like
              However, should this display attract unwanted guests,  most squid, opalescent squid have an ink sac attached to
             opalescent squid have a few other tricks they can rely to  their stomach, which serves as a defence mechanism.
             help them out.They don’t have the sort of streamlined,  Before they jet off, they expel a cloud of dark ink, which
             muscular bodies that we associate with the ocean’s great  temporarily blinds and bewilders pursuers.This dark
             speed specialists, like tuna fish, but they don’t need to.  brown sepia ink was once extracted from squid and
             Instead, they rely on jet power!                       cuttlefish and used for ink in fountain pens.





                                             (c) 2011 Marshall Cavendish. All Rights Reserved.
   208   209   210   211   212   213   214   215   216   217   218