I think im paronoid. But I just got a new bottom feeder. What sort of behaviors do they have? I thought they were these calm dudes that just swam at the bottom of the tank. He swims around like a mad man... i just dont want him to freak out my other fish or hurt them...
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Can't say I've ever seen a calm loach, they like to dance all around the tank and play in bubbles and current. They can have a tendency to stress out shy fish when they try to "make friends," but other than that, nothing to worry about.