Feb 10, 2012 - Goldfish are the most popular aquarium fish worldwide. Many hear the word goldfish and think of the little orange fish kept in a bowl. However, there are actually several varieties of goldfish; over 120. They range from common varieties to fancy types. The common types are rather plain while the fancy kinds come in many shapes, color patterns and fin types. Whether they are common or fancy all goldfish are great aquarium...
