my entryways are 8" tall and 2" wide - you might want to make them a little larger and try moving the trap around until you find some fish. BH are easily trapped once located. I always have better luck baiting the trap with tuna - a few holes punched in a can works great


Mat Peirce
1.25 acre southeast Iowa pond
LMB, BG, YP, WE, HSB, RES, BCP