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Main Index > Detailed Fish Profiles > The Cichlids > Oscar
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This page will give a completely detailed profile of the selected fish, from A to Z. The profiled fish will be chosen randomly by Badman, and will come from the complete genre of tropical fish. New profiles are added on a regular basis. If you would like to submit a profile for the site please contact me. Don't forget to let us know you experiences with this fish by filling out the




Astronotus ocellatus




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Please remember that the following comments are personal experiences and may or may not apply to your setup. Use them as guide to help better understand your fish, like us all individuals will behave differently under different circumstances.


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From: Bob J.
My oscar's, a tiger & a red are about 4 in. They fly to the top when I go near the 55 gallon tank. They know who feeds them. My 15 mon. old son has a small rocking chair he climbs on in front of the tank. He can hit the tank and those fish will fly down to him and sit rite in front of my son. I have the red eating out of my hand, and jumping out after food.

From: Victoria
I had my oscar for about a year now, they can be a little bit aggressive sometimes but not toward me of course. They have a great personality, and they are great to watch, you can even pet your oscar if some of them let you.

From: Peter
The oscar is fun and smart but be careful about having smaller fish with them because if they can fit it in their mouths, they will, such as a baby clown loach.

From: Dave
DO NOT HOUSE OSCARS IN ANYTHING BELOW 55 GALLONS! I've had an oscar for about 8 months. He grew quite quickly, close to 8 inches. He lived in perfect peace with 1 catfish, 1 red tail shark, and two green terrors in a 30 gallon tank. He was kind of messy, but not that bad. Sometimes at night we would hear banging in the tank though, sometimes very loud. Well, apparently, the tank was not big enough. My wife arrived home today to find the oscar laying dead on the dining room floor beside the tank, with splashes of water all around the floor and outside of the tank. Even though we had a fairly tight fitting lid, he apparently jumped strongly enough to bang it open and fall to his demise. He was very well fed, and never moved too quickly or even jumped at the top when we were around or with the lights were on. I don't know if this is common behavior, but something to look out for. Make sure you have a tight fitting lid and a big enough tank...

From: Dondella
When I first saw an red oscar, I thought that it was one of the most unique and interesting things. The one I saw was about 10 inches long and was in a huge tank. The fish had such intelligence it was almost that of a child. Such sweet temperment.

From: Milo
I have a male and female pair. I got them a year ago. They live in a 115 gallon tank. They are about 8 inches long. Oscars will eat anything that will fit in its mouth. They are also natural beggars. They are very smart, they know who their owners are. My oscars shy away from strangers. If you have an excellent filtration system you shouldn't have to do water changes weekly. I change the water once a month. If there is uneaten food floating around the tank they are being fed too much.

From: Damon
I have had my beautiful Oscar called Woden and he is great. He is a tiger Oscar which I grew from about 2.5 inches and he is now 8.5 inches. I have had him for about 6 months and he is huge. I have fed him on pellets and live food. More pellets that live food at the start and now I am giving him much more live food. By live food I mean that I feed him Gold Fish, Feeder Fish and Crayfish. When I first got him I put him in a 3ft tank with another oscar of the same size which was a red oscar. Then I got rid of the red oscar and got a Jack dempsey because is was getting beaten up. And now I have gone out and got them all a new 6ft tank and have also put in some new inhabitants which are 2 gold severums and 3 convicts. The Convicts and the Gold Severums and all much smaller. It just goes to prove that all the stuff that the Aquarium stores say is not all true. If what they had said: I would not have been able to put the 2 convicts of whom are only 1/5 inches long and the 2 Gold Severums. Though the Severums are oval in shape and the Oscar can not fit them in to his mouth he could of easily taken a bite out of one of the but he didn't. Not even when i first put them in to the tank.

From: Brandon
I have 4 oscars,pink convict,and 5 daniels about 1 month ago It's a 75 gal and all my fish get along great. And all my fish have grown about a inch.

From: Steph
When I bought my 1 inch Oscar a few years ago, the pet store owner neglected to warn me of how big they get! I soon found out on my own, and have since had to upgrade from my measly 10 gallon to a 35 to a 55 and then to a 110 gallon in order to give him room to move! Whew! He's cost me a lot of money, but I've never once regretted it. Now at 13" long, "Scarface" has the most personality of any fish I've ever owned. He's just like part of the family. I just bought him another Oscar to be his companion and was worried sick that he would eat it alive (it's somewhat smaller), but they immediately took to each other. It's working out great. I think he was tired of living alone. I would defiantly recommend Oscars, but only to those who don't mind spending a little more time and money on their fish.

From: George
I have kept Oscars on and off for several years. They are smart fish who recognize their owners and given enough room can be kept with fish of similar size. If you start out with more than one Oscar you should start with combinations of 3. Other wise the odd(or even) man out will be punished. They are aggressive and once they have established themselves and their tank mates in an environment they will kill and eat anything else put in their tank.







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