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...
The comet goldfish is similar to the common goldfish types and is often mistaken for it, but the comet has a more slender body with more noticeable and elongated fins; especially the caudual fin, which is more than half to three-quater the size of its own body.
This is the first of two main categories of goldfish. As their name suggests, these goldfish only have one single caudal and anal fin. Their tail fin is forked, making these breeds accomplished sprinters through the water. The sleek bodied variants closely resemble their wild carp ancestors.