Datnoid 3-4 for a stable group

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JsTO97

Feeder Fish
MFK Member
Sep 6, 2024
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Now I know everyone is going to say more is better, but does 3 to 4 really make that big of a difference for social hiearhcy, or there should not be a noticible difference? this is specifically for Social hiearhcy etc. Any real world experience would really help.
 
Three or four can work well. They need hiding places - driftwood is best - and plenty of open swimming space.

Be aware, they won't all colour up.
 
It’s definitely possible to keep a group of 3–4 datnoids together, but the key is tank size and individual temperament.


Datnoids are semi-aggressive and territorial, so when kept in groups, odd numbers (like 3 or 5) usually work better than even ones to help reduce direct pairing off and bullying. A group of 3–4 can work if they’re raised together from a young age and you provide plenty of space, hiding spots, and visual breaks (like driftwood, rocks, or plants).


Make sure your tank is large enough—ideally 180 gallons or more for a group, depending on species and size. Also, keep a close eye for aggression. Sometimes, one fish becomes dominant and bullies the others, and separating them might be needed.


In short, yes—it can be stable, but give them room and watch for signs of stress or bullying.
 
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