How many aquariums are sold in the us yearly?

The United States aquarium industry is a multi-billion dollar industry, with over $1 billion in sales each year. According to the American Pet Products Association (APPA), there are over 130 million freshwater aquariums in the US, and over 10 million saltwater aquariums. The APPA also estimates that over 100 million fish are sold in the US each year, with an average price of $10 per fish.