JennM;683543 wrote: He might not be hungry. In the wild they aren't necessarily successful at hunting every day. If you're positive he's still in the tank, I would wait a couple of days and try to feed him again. OR keep an eye out after dark - they are nocturnal creatures and tend to be more active at night.
Jenn
JennM;683519 wrote: Check the floor, the sump, the overflow box, under the couch, under the fridge... eels are notorious jumpers and they can survive for quite a few hours out of water (not days, though). If he did manage to escape, he could have wriggled a fair distance from the tank.
Hope that's not the case... but I've seen it happen a number of times.
Jenn