The oscar Astronotus ocellatus is a species of fish from the cichlid family known under a variety of common names including tiger oscar velvet cichlid and marble cichlid. ocellatus specimens are often found for sale as a food fish in the local markets. There is plenty of debate about the minimum size for an Oscar Tank.
Oscar fish The fish has been introduced to other areas including india china I believe that the smallest aquarium an oscar should be kept in is a 55 gallon 48x12x21 inches . This is not ideal but it can be done. In a 55 gallon tank i can only recommend one oscar with no tank mates and minimal decorations. The oscar fish astronotus ocellatus is a type of cichlid and a member of the cichlidae family.although there is an enormous selection of oscars available today originally there were only three parental types of red albino and tiger oscar fish. All these variations are the products of cross-breeding. This species was first described in 1831. Group size will of course vary depending on how many oscars are in the group but based on five tank size should be 300 gallons plus. Any words of wisdom based on tank size for an oscar fish It may be tempting due to the initial layout for an oscar fish tank and all the equipment you will need to buy a smaller one than required.
Oscar fish normally reach a maximum size of 11 or 12 inches in captivity and can weigh up to approximately 3 lbs. Oscars can exceed 14 or 15 inches however fish like these are quite uncommon. Oscar fish grow at an incredible rate. Fish stores normally sell them anywhere between 1 and 2 inches as babies. Once in your aquarium and being fed on An oscar fish will quite easily reach 12 inches in as little as 18 months. They are also bulky fish that can reach weights of over 2lb. However if you want to give your fish the best chance in life give it a healthy environment to live in then it is absolutely paramount that it starts its life off in the correct sized aquarium. There are no small oscars. All oscars grow between 10-16 inches.
55 gallons is generally recommended as the minimum for one oscar. So you can only fit one oscar in there. You may think that there is a lot of space left in the tank but if you give him time to grow youll actually start thinking that you need a larger tank. Disk tetra disk pacu blackear pacu black band myleus black-barred myleus emperor blue hook aquarium severum heros severrum blood parrot cichlid osc Small fish such as rosy red minnows and guppies. How often to feed your oscar fish live food. If you choose to feed live oscar food you should add just one or two feeder fish to the tank at mealtime. Filling the tank with feeder fish and allowing your oscar to feed at will has some definite drawbacks for him which include

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