Betta Fry Grow Out Tank Size

FishWithTim

So I am interested in breeding bettas in the future but I was wondering what tank size would be apropriate for the fry to grow out in before ofcourse having to separate them.
 

Demeter

10-20gal tank should be fine depending on the size of the spawn. I use a 10gal half filled for a spawning tank and then I'll fill it up and use it for a grow out tank. If there's a big spawn I'd move them all to a 20gal tank and separate the males out as they start showing aggression.
 

FishWithTim

10-20gal tank should be fine depending on the size of the spawn. I use a 10gal half filled for a spawning tank and then I'll fill it up and use it for a grow out tank. If there's a big spawn I'd move them all to a 20gal tank and separate the males out as they start showing aggression.
What do you do to separate the bettas? Just trying to get ideas. Also you said 20 gallon but could it be 20 gal long to? Also you said separate the males. Do you leave the females in a big sorority?
 

Demeter

I leave my girls together, they usually get along just fine. My first and second spawn were very small, so I only had about 6 males that needed separating. I used breeder baskets and mason jars floating in a heated tank for a while, then separated them out to either split tanks or sold them. If I had a heated room I'd probably have racks with 1gal containers for males and keep all the females in 20gal tanks.

Also, 20gals long is better than a 20gal tall as it provide more swimming space.
 

FishWithTim

I leave my girls together, they usually get along just fine. My first and second spawn were very small, so I only had about 6 males that needed separating. I used breeder baskets and mason jars floating in a heated tank for a while, then separated them out to either split tanks or sold them. If I had a heated room I'd probably have racks with 1gal containers for males and keep all the females in 20gal tanks.

Also, 20gals long is better than a 20gal tall as it provide more swimming space.
So when I breed bettas just put them all in a 20 gallon long?
 

Demeter

I'd do that when they are about a month or so old, yes. Just remember to keep up on your researching, it took me a few years to finally get a spawn of bettas to adulthood.
 

FishWithTim

I'd do that when they are about a month or so old, yes. Just remember to keep up on your researching, it took me a few years to finally get a spawn of bettas to adulthood.
What would happen if I got a lot of fry? Like a ton. Still put them in a 20 long?
 

Demeter

You can always upgrade them as they grow but you would be very lucky to get over a hundred fry to the 2 week mark on your first go. My largest spawn is probably about 30-40 strong and they are still in a 10gal till they grow a bit more.
 

FishWithTim

You can always upgrade them as they grow but you would be very lucky to get over a hundred fry to the 2 week mark on your first go. My largest spawn is probably about 30-40 strong and they are still in a 10gal till they grow a bit more.
So 20 gallon long all the way?
 

Demeter

Sure, if you have the space for it. I'd never say no to a new tank
 

Mcasella

If you have a massive spawn you may have to upgrade from a 20 long to a 40 breeder or long or a 55. That would be spawns over 50 surviving betta at 2-3 weeks old.
 

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