tank size for...

[BuddyWilson]

Tank size and gallons for 3 full grown Oscars and large clown knife

 

[BODYDUB]

130ish, at a minimum................

 

[strollo22]

And very good filtration


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[BeastFish1]

I was thinking a 200-300g (i rater have to bug of a tank them to little)depending on how big the CK is but a good filtration is a must I'd it is a 300g I would use a eheim 2262. I have one one my 300g and all the par are all top notch. Or a sump and 2 fx5's. just me 2 cents.


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[Thelatinofishlover]

200 gallons min! not so much for the oscars but for the ck!

 

[haynchinook334]

180gal... Nuff said.


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[Fat Homer]

I agree, 4 large predatory fish like that will likely need at least 200G to live in there for life...


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[icefreeze57]

150-180 min

 

[Fish on Fire]

Minimum 6'L by 2'W because of the CK's eventual size.

 

[Drstrangelove]

If it has lots of decor (plants / driftwood / caves), I'd suggest a 200-240. Smaller, especially with insufficient decor, to me will not enable the fish to flourish. There will be stress and greater chances for disease and less chance for optimal feeding/growth. I know people stock higher, but I wouldn't with these.

This assumes of course that the Oscars don't pair off.