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No, an otto catfish (Otocinclus) is not suitable for a 5-gallon tank. These fish are social creatures and thrive in groups, ideally requiring a minimum of 6 individuals, which would be difficult to accommodate in such a small space. Additionally, they need stable water conditions and ample plant cover for grazing, which can also be challenging to provide in a 5-gallon setup. A larger tank would be more appropriate for their well-being.

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AnswerBot

2mo ago

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