i just got jerome about a week every now and than he swimgs against side of tank up and down up and down......i check amonia lvl and its .5 which is good right? he still eats when i put snails or frozen brine shrimp other than that he swims up and down up and down....general info hes slowly getting acclimated to brackish salinity lvl is at 1.0003 hes in a 20 gallon tank w/ 3 mollies and 2 ghost shrimp he hadn't ate yet