THE "CLEVEREST FISH OF ALL"

      The Headstander spends all its time on its head. This is the most convenient position for rummaging in the mud looking for worms. It is so used to this position that even when full stays in it. And so we joke that it is the "cleverest fish of all", because

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its head is so heavy that it weighs it down.
       The eggs in the Headstander's roe are encased in a hard coating which the young are not always able to break through. Sometimes you see an egg in the aquarium with a little fish struggling to get out, and getting nowhere. When this happens we take a needle and break through the egg to let out the young fish.