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Old 02-16-2020, 02:24 PM   #1
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Replacing schooling fish

I had 6 white skirt tetras, but 2 recently died. Should I replace the 2 or keep the 4 by themselves? The remaining 4 are just about 1 year old and seem calm without the other 2.
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Old 02-16-2020, 02:55 PM   #2
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As you obviously know from asking the question, they do tend to be more comfortable and be less nippy in larger groups. Do you not have room to add a couple more?
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Old 02-17-2020, 12:33 PM   #3
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I have room to get more. I just didnít know if introducing new fish after the 4 have been together for a year would be a problem.
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Old 02-17-2020, 12:47 PM   #4
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Hello Kra...

Schooling fish will no longer school once they feel comfortable in their surroundings. Schooling is a defense against predatory fish. You can certainly keep a few Tetras. I've kept one Tetra in a 45 gallon tank for more than a year along with one Zebra Danio. Both are in a Community tank that includes other Tetras, Guppies and some Comet Goldfish.

As long as you keep the water clear of dissolved waste material, the fish will remain healthy.

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Old 02-17-2020, 01:54 PM   #5
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Perfect. Thanks everyone!
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Old 02-17-2020, 07:46 PM   #6
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Do keep an eye on them for any aggressive behavior cropping up. Schooling is not exclusively for protection. For nippers; like these guys can be, itís also about distributing aggression.
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