Rehoming Fish And Adding More

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Billyboj

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This sounds kind of silly, but if I have to relocate fish to another tank could I add a larger number of fish to the tank they came from since the bio load wouldn't actually change?
 

Crazycoryfishlady

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Depends one which fish they are, say you have a 40 gallon with some huge goldfish, you have 2-3 goldfish say

You can move the goldfish out, and stock that 40 with something like 20 fish and the bioload won't/shouldnt be much different

Different fishes give off different biload, so what you couldn't do, is take the goldfish out, and add 4 plecos
one that's too many plecos
two they have a large bioload.
 

Billyboj

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So I'm taking out two Chinese algea eaters(about two inches), two guppies and two zebra danio and two porkchop rasbora. Hoping to add a small school of cherry barbs. I don't think that would be a problem since the lfs in my area only sell very small cherry barbs, maybe an inch maximum.
 

mattgirl

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So I'm taking out two Chinese algea eaters(about two inches), two guppies and two zebra danio and two porkchop rasbora. Hoping to add a small school of cherry barbs. I don't think that would be a problem since the lfs in my area only sell very small cherry barbs, maybe an inch maximum.
I don't see a problem with that plan. I would think the original bacteria could easily handle the bio-load of at least 8 cherry barbs possibly even up to 10.
 

Billyboj

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I was just thinking 6 to start. I want to feel out how they act around my current fish before I get that many.
 

mattgirl

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I was just thinking 6 to start. I want to feel out how they act around my current fish before I get that many.
I didn't think about the fact you were taking some out but are leaving others in there. I agree, 6 is probably a better number. Watch them closely. The only barbs I have ever had were tiger barbs and they terrorized both each other and the other fish in the tank. I was actually happy to see them go back to the pet store.
 

Billyboj

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the barbs should be fine, I have seen that they may fin nip. I'm more worried about the minor tetra that I have. I have some fish that I purchased a small schools then a couple died off from stress of being moved and an accidental mini cycle. so two pairs that used to be in small schools which are going to a tank where they won't be harassed by larger faster tetra.
 
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Billyboj

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Alright so I found cardinal tetra. Needless to say I got 6 and will be doing the move later tonight I'm excited, I haven't been able to find these fish anywhere.
 

Billyboj

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Well after adding the cardinals and some of my plastic plants there was a short period of the minor tetra chasing them, only lasted about 5 minutes. Now the fish are getting along, intermixing, and the cardinals are eating. Guess the minors just didn't like the other fish lol.
 
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