Oxydoras

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Hello I have questions about minimum tank for oxydoras Niger

I wouldn't reccomend keeping them in a tank less than 1000 gallons. Here's a thread about Nigers:

 
Minimal size tank may be defined as a tank where a fish experiences insignificant difficulties navigating the tank and moving around.

O. niger routinely break 3 ft in captivity and it is not uncommon for them to reach 4ft in captivity. They reach 3ft in about 3-4 years it seems, 4ft in 10-20 years.

Our 3.5 footers appear okay-ish in 4500 gal 13x13x4.5ft. Bigger would be much better. They do move around, although mostly like to sit in the current in our tank.
 
Minimal size tank may be defined as a tank where a fish experiences insignificant difficulties navigating the tank and moving around.

O. niger routinely break 3 ft in captivity and it is not uncommon for them to reach 4ft in captivity. They reach 3ft in about 3-4 years it seems, 4ft in 10-20 years.

Our 3.5 footers appear okay-ish in 4500 gal 13x13x4.5ft. Bigger would be much better. They do move around, although mostly like to sit in the current in our tank.

4500+ is definitely the minimum for more than 1. But you won't need that much for just 1. They tend to be lazy. I've seen quite a few in captivity, and they're lazy bois, lol.
 
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