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Discussion Starter · #1 ·
My BF just got an otto, and I later heard that they're social little fish that are happier with a friend.

My question is: should its buddy be the same species, or is any other otto ok? Or is the goldfish in the tank company enough? I don't want the little guy to get lonely or neurotic. Thanks!
 

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ottos like to be in groups of like at least 5. They are so small that they add very little to the bio load of the tank
 

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unfortunately the oto should not be in the tank with goldfish as they need completely environments.goldfish need cool water and the otos need warm water.
 

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not to mention that the ottos eat algae from the plant leaves and the goldfish eat the plant leaves lol
 

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Discussion Starter · #5 ·
Oh lol thanks. I'll let him know to move the otto and the goldfish to different tanks. Would the otto be happy with ottos of another species, or do they have to all be the same species to get companionship from each other?
 

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they should be fine with other otto species.
 
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