You are totally right since all fish are very lethargic when the lights have been out for a while and no matter if they are in plants or by/under wood it would be easier to catch them since they wont be darting around the tank like mad.. Just simply turn on the lights, place a net next to them and give them a light push.
Adding traps that are big enough for the fish is already a pain since it will bend plants or if anything they would have to be removed/replanted.. and then we are back to square 1 thinking why the heck didnt i just remove the plants in the first place..
:huh::huh: