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Do bettas need to go to the surface to breathe?

1K views 2 replies 3 participants last post by  AyalaCookiejar 
#1 ·
I was wondering if is possible to put a 2 gallon critter keeper inside a big tank anchor it to the bottom, drill some small holes and put a betta inside the critter keeper or does it need to come out to the surface?
The bigger tank would have filters and heaters and the purpose of the holes is to keep the critter keeper with enough water circulation and oxigenated.
 
#3 ·
It sounds strange, doesn't it? You can actually drown a fish. I have my critter keepers in a 10 gallon for warmth and I made a shelf inside the tank so that they wouldn't tip over..
 
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