Questions from a Newbie

[Boomboy]

i had this happen to me ( i felt dumb after) i look throughout my rock, moved some pieces, then when i had to move to a new house, i took the tank down and there she was under the rock mostly eaten by then( about 2 weeks) chances are the fish died from something, test your tanks parameters, the fish is in there, try taking out ALL your LR and putting it back in. that is if you really want to find it, which you probably do because you have a nano, and that would raise a ammonia lvl way up. my one fish killed 2 other fish lucky my 6 line wrasse lived.