98 THE GOLDFISH AND ITS CULTURE. 
neighborhood of the ponds, as they make excursions during the night 
to the ponds in order to fish. 
This long list of enemies may be increased by adding the raccoon, 
the sk, and water-fowls such as ducks, geese, and swans. 
In stores where fish are kept in tanks they must be watched and 
protected from ouse-vrats and cats, both of which will occasionally 
make a descent upon the tanks if not prevented. 
