Harlequin raspbora can I put all 8?

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Sf1

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Normally we need to put no more than 1-3 fish at the same day.

But harlequin raspbora is a school fish. So, do I need to put 1-3 at day or all the 8 at same time?

Thanks
 
I would do 4 wait about 5-7 days add 4 more but how long has your tank been up and running for? If its mature then you can add all 8 at once.
 
I would do 4 wait about 5-7 days add 4 more but how long has your tank been up and running for? If its mature then you can add all 8 at once.

As a small schooling fish, they have light bio loads. Adding 8 at once will be fine, IMO.
 
Normally we need to put no more than 1-3 fish at the same day.

But harlequin raspbora is a school fish. So, do I need to put 1-3 at day or all the 8 at same time?

Thanks

How big is the tank?
 
29g. Fully cycled for about 2 weeks, but isn't mature.

I already have angelfish and 4 corydoras sterbai. Want to add 8 harlequins and 2 bolivian ram.
 
In that size tank 8 small harlequin rasbora's could be added at the same time. I've never seen really large adult harlequin's for sale so you will be fine. Rasbora's also don't need a mature tank.
 
I agree the tank will be fine. I would hold off on the ram for a few weeks as they tend to be sensitive.
 
3 of 9 are died without any visible reason.
Water test is OK. I acclimated them almost 1h.
No idea why, maybe bad batch?

Other fishes are OK.

Now they are 6. Will buy 3 more in 2 days.
 
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