Online pet stores have a variety of food and accessories for anyone wishing to have a goldfish for a pet. They sell the correct food for the different species of gold fish you choose to buy. One of the popular questions is how many goldfish should I keep in a bowl. The answer is easy as the recommendation is a proper aquarium which will give your goldfish a good quality life. The old fashioned goldfish bowls are not recommended as they shorten a goldfish’s life. Aquariums come in different sizes to suit an individual’s needs. A large aquarium is better for your goldfish. Most online pet stores will be able to advise you on the number of goldfish you can have, taking into account the size of the goldfish in relation to the aquarium. Pet stores will have all accessories you need including filters, oxygenating weed and air pumps. A filter is required to remove any toxic waste which may build up and reduce the harmful effects it can have on your goldfish. Oxygenating weed is fantastic at oxygenating the water through the day but at night they respire and remove the oxygen from the water in the aquarium. Goldfish actually love eating them.