In case you are wondering, FIFA states that the optimal size of a soccer pitch is between 69,000 and 86,000 square feet. An American football field commonly measures around 57,564 square feet . Of course, if you want an exact measurement conversion for land acreage then this handy conversion tool will help you...
TYPES OF GOLDFISH. There are over 100 types of goldfish! All of the goldfish breeds belong to one of two types. The two types are the ORDINARY goldfish and FANCY goldfish. Ordinary goldfish have only one tail, while fancy goldfish have two tails. The common goldfish is an ordinary goldfish. It has a narrow body, which makes it a fast swimmer.
The goldfish (Carassius auratus) is a freshwater fish in the family Cyprinidae of order Cypriniformes. It is one of the most commonly kept aquarium fish. A relatively small member of the carp family (which also includes the Prussian carp and the crucian carp), the goldfish is native to east Asia. It was first selectively bred in China more than a thousand years ago, and several distinct breeds have since been developed. Goldfish breeds vary greatly in size, body shape, fin configuration and colouration (various combinations of white, yellow, orange, red, brown, and black are known).