tankmates for an oscar?

velvetflamingos

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Mar 15, 2007
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hey guys, i'm normally a gourami kind of girl, but at work i have fallen in love with an oscar. he was beat up by the other oscars in his tank so i have him separated and have been treating him to help avoid an infection and such and he's been a lot better. now that i have this attachment i want to bring him home, and i've been talking my boyfriend into it. we already have a 55g salt tank, a 10g quarantine, a 20g freshwater tank, and a 55g freshwater tank (we have tanks r us, i haven't even named the reptiles lol!) in my fresh tanks i have gouramis (a pink kissing, pearls, golds, a needle nose gar, upside down catfish, and a rapheal catfish, and soon some albino paradise fish) i was just wondering what works well in tanks with oscars? he'd get his own, and i know you can do plecos, silver dollars, etc. etc. can any gouramis live successfully with him? also what do you suggest for feeding? i know he needs a varied diet to avoid hole in the head, and you can use krill, beefheart, feeders, crickets, pellets of course, but what else? anything you guys have to share would be great, because the more i know the more convincing my argument is for my boyfriend : ) thanks!
 
it depends on the size of the tank you intend to buy for this oscar. a 75 gallon is minimum. i tell you this because based on the tank sizes you've got and the fish you mention, you already have fish which grow too large for your tank volumes.

pink kissing gourami and needle nose gar both grow to one foot
 
First of all, you're going to need a tank of at least 75 gallons to house one oscar by itself. As far as tankmates go, I would first decide what size tank that you are going to go with. After answering that question, we can give you more help.

As far as feeding goes, my oscars get a diet of brine shrimp, krill, market shrimp, Hikari pellets, and every once and awhile a bit of fresh fruit or vegetables.
 
yeah i know those both get large, at the moment the are also both babies in the 55, eventually they will be in larger tanks but for now they have plenty of room, as for the oscar he will also get the appropriate size tank, that's not an issue, he's currently approx. 3 inches long
 
I'd focus on housing the fish you have properly before you think about getting more fish for already crowded tanks. Sorry if it sounds rude, but I am a firm believer in keeping what the space you have allows.

Far too often people say they will eventually upgrade but it seems to rarely happen.
 
Species Profile-Oscar Cichlid (Astronotus) ocellatus


Scientific Name(s): Astronotus ocellatus, Acara ocellatus, Cychla rubroocellata, Hydrogonus ocellatus, Lobotes ocellatus

Common Name(s): Oscar Fish, Common Oscar, Red Oscar, Tiger Oscar, Red Tiger Oscar, Marbled Cichlid, Velvet Oscar, Albino Oscar

Family: Cichlidae

Species Type: South American Cichlid

Origion Range: Peru, Brazil, and French Guiana. Collected along the Amazon, including the Ucayali, Amazonas, Solimões, Içá, and Negro drainages, and also in the
Oyapock and Approuague drainages.

Natural Habitat: Amazon River Basin

Maximum Size: 14 inches, But have read that some have reached 16 inches or more.

Life Span: 10+ years

Temperature: 75°- 86°F (24° to 30° C)

Temperment: Semi-aggressive to Aggressive but very interesting, I have had peaceful Oscars and aggressive Oscars. You won't know which you have until you get to know it. In my experience they are fairly peaceful given enough space for territories. Many keepers experience begging around meal times or the seemingly playful greetings they receive from their fish when they get home.

PH: 6.0 to 7.5 (neutral)
Soft to hard water is tolerated

Diet: Omnivores, Oscars are found in slow-moving rivers that are heavily vegetated, they often stay around the banks for breeding, and nesting. They grow extremely fast and will eat a variety of foods including goldfish, crayfish, frogs, shrimp, High quality pellet food, frozen foods, and others, they love earthworms as well. They will appreciate a varied diet with lots of protein, Oscars in captivity are notorious for their gluttonous diets.

Minimum Tank Size: 75 gallons for a single full grown specimen 125+ for adults (Pair). These are minimum tank sizes and in my experience the more space given the happier and more peaceful they are.

Tank Region: All Over, mainly middle to bottom.

Possible Tank Mates: Firemouth Meeki, Jack Dempseys, Convicts, Serevums, larger catfish and plecos Other Oscars if the tank is large enough 125 gallons plus. Oscars can be tolerant of other tank mates if given space.

Filtration and setup: The most important thing you have got to provide your new Oscar with is good water quality. Being relatively high waste producing, this species requires a high water turn over and good biological filtration. Ideally the volume of the water in the tank should be turned over 10 times per hour. This may seem like a lot but Oscars are big messy fish that WILL NOT stand for foul water. If you are using canister type filters with larger amounts of biological media 6-7 times an hour will be fine.

Your best bet for decor is going to be a thin layer of pea size gravel, large rocks, driftwood, and a nice looking background. Darker décor and gravel will bring an Oscars color out the best. Live plants aren’t recommended because of the Oscars desire to up root any live plants. Oscars will even pull fake plants out so if they are going to be used they should be held down with larger rocks at the base.

Sexing and Breeding: It is very difficult if not impossible to sex Oscars from physical characteristics alone, pairs have been observed to prepare a breeding area, this is typically a flat stone or a piece of slate. Aquarium temps should be 79-82 degrees and live foods should be fed to condition the pair. Eggs hatch typically in 3 to 4 days. A single spawning may consist of as many as 2000 eggs! Oscars reach sexual maturity at 4 inches and will form life long pairs. Unlike many other fish, the Oscars will actually care for their eggs and will take on the role of protector and anti-fungal agent for the roe. They also practice brood care once the babies have hatched, so it is safe to leave them with mom and dad for a while.

Coloration: The coloration of the Oscar fish can vary from olive-green to gray to chocolate brown in base color with a smattering of some or all of these colors. Black spots surrounded by an orange or red ring on the base of the upper caudal peduncle is a noteworthy characteristic of the Oscar.

There are a variety of color forms of this cichlid including:
Albino-Albino Oscar
Orange-Orange Oscar
Red Tiger-Red Tiger Oscar
Red-Red Oscar


Additional comments: The Oscar is probably the most popular of all the cichlids on the market today. Oscars are a very clever fish and many aquarists claim that each Oscar develops its own characteristic personality. Before buying your Oscars first take a second to make sure you are ready for the commitment that these fish require. These fish are not only beautiful, but also very intelligent. This combination of attributes is what makes this fish so attractive.

This being said a lot of people see these beautiful fish and don't realize how big they get, and how fast. Some people say it is ok to house these guys in a 55 gallon as a grow out. In my experience they grow very fast and adult size should be considered when buying an Oscar. Oscars are one of my favorite cichlids and if you are going to get one or a pair you will be very happy and may end up with a great friend in the end.

Written By: Paul Lotridge
 
^^^^^^ Thats some good info
 
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