How much space do 4 full grown tiger Os need

[addreal]

right now I have 4 baby tiger Os in a 100g tank. will this be big enough when there are fully grown

 

[rgonzales]

Id say probably not. I have seen 15+ inch o's

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[COG Commando]

Double that tank volume and you should be good.

 

[Zari]

125 for two 200-250 for four

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[JML1997]

A 150 gallon would be fine: but you need atleast 2' width.. so, 5'x2'x2'

 

[Racersk]

125 = 1!

If I put my 2 fully grown O's (12+") in my 125 I have 2 worn out tore up fish! They lived in a 90 for several months (in harmony) till they saw each other as rivals...

 

[dogofwar]

I'd go with a 6' 180g for four full grown oscars (for life). It really depends on whether all 4 get along (or whether two pair off and pound on the others).

Matt

 

[MonsterMinis]

x2.. Oscars are cichlids.. cichlids are territorial unless you get lucky and all 4 are the same sex you're going to have aggression issues. and if you get a pair.. you can say goodbye to the other 2. Once they mature they'll get aggressive. imo your best off keep 1 you really like and taking good care of it. or lett them pair up and remove the 2 unpaired. BUt you still are liekly to have aggression issues with a pair in such close quarters.

 

[greenbud]

x2.. Oscars are cichlids.. cichlids are territorial unless you get lucky and all 4 are the same sex you're going to have aggression issues. and if you get a pair.. you can say goodbye to the other 2. Once they mature they'll get aggressive. imo your best off keep 1 you really like and taking good care of it. or lett them pair up and remove the 2 unpaired. BUt you still are liekly to have aggression issues with a pair in such close quarters.

This idea get my vote!
On two seperate setups I have seen a pair of oscars hit maturity and kill every thing in the tank in one night.

 

[aldiaz33]

right now I have 4 baby tiger Os in a 100g tank. will this be big enough when there are fully grown

When talking about cichlids/territorial fish, the way I look at it is to break it down to water volume per fish. Would you keep each of these four oscars in a 25gallon tank? That's essentially what you would be doing by trying to keep 4 of them in a 100G. I think you would need a 240G for all 4, but you still might have aggression issues. I had two Os in a 270G and they were fine (buddies) up until they reached 8". Then I had to get rid of the smaller one because he was constantly being chased/beaten up by the larger O.