Advertisement So i have 4 different terreriums for my T's and just recently iv noticed that all 4 have little "fruit flys" in them. Not a ton by any means but if you look carfully u will spot 1 or 2 in each tank. I keep the terreriums really damp due to having 4 swamp dwelling species (including a T.Blondi). Iv never had this problem befor so my question is why is this happening and how do i stop/prevent it further? additinal info: Substrait is coco fiber, and there are no live plants. all four are glass fish tanks with mesh lids.