Prepare a domestic rectangular aquarium for the little red fish. Because of its small size, don't raise more, just feed the little red fish on time.

The little red fish is the red crucian carp, also known as golden crucian carp or grass goldfish. Its appearance is similar to that of japanese koi. It is a variety formed by the variation of red and yellow crucian carp during artificial breeding, and it is the oldest variety of goldfish. Its colors are fiery red, red and white, etc.