Fish Species at  Goldfish in Cattle Troughs  Farmers keep
goldfish in their cattle troughs to keep the algae down and keep
the tanks clean.  By Stephen M. Meyer  Printer Friendly  Q. I'm
a city person (although my town is rather small as cities go),
and have been amused to listen to the janitor at work telling me
about her goldfish all summer. It seems that farmers here have
goldfish in their stock tanks to keep the algae down and keep
the tanks clean. With the water heaters they have in the tanks
for the winter the fish do all right without any extra care.  I
don't know how the fish feel about the cattle and other animals
drinking the water they are living in. Nevertheless she's been
telling me about the baby goldfish that have appeared, so
evidently the fish are happy.  Obviously, the fish will be fine
in such a tank. But I had never before heard of this practice
and wanted to add to the discussion. Any thoughts?  A. Sue, your
story is not really hard to believe. In fact, it shows just how
hardy goldfish re