hi ty for that the pet store had tolb me they dont like to go up high tank is 23 inches tall and the dividers were made by my husband so i originally was going to put my bettas in their they are in tanks bow where i only do water changesi did not know that about air pumps for them i do have one that came with the tank i will forego a female betta tank so i am trying to figure out if i should move my bettas in there or start a new tank ty for your help