my black knob sawback just keeps moving up and down, up and down, up and down he will do that for a really long time and never stop. When he does stop its to sleep, bask, or eat. Is this a meaning of something like maybe he needs more swimming room???
Hes still a hatchling in a 40 gallon wide aquarium i use a fluval 3 plus and the water temp is at about 80 and the baskign area is at about 90
any help is appreciated

