Why do my fish stay at bottom?

  • Thread starter Thread starter CorinaCorina
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CorinaCorina

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Our fish(shubunkin, and one small koi) were just transfered from a 30 to a new 75 gallon tank. Three days later they are sitting at bottom of tank and staying in the corner not moving unless i stick my face next to them. i used all the 30 gallon water from my old tank that they were healthy in. and the rest was tap water with treatment, they may rub against gravel but very minimal if at all and my black mor is not really acting different. i also have a 13 inch pleco that is just being himself but the shubunkin the worse, any suggestions? i did a cheap test that was a strip and you read the colors and maybe nitrate, nitrite was a bit high but not bad.
 
It could be ammonia poisoning. High ammonia concentration causes fish to stay at the bottom or at the top breathing for air. Your ammonia levels should be zero.
 
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