Raz0945;1057577 wrote: Amphipods are the larger of the pod family and can be seen with a flashlight crawling over the rocks at night. I also have tisbee pods, when I start a new tank, after the cycle, I take filter floss and wipe the insde of one of my other sump and start a new culture in the new sump. I can't see well enought to pick them out of the filter socks! Lol