not agressive but wont back down and will woop some a@$

[demon666]

i have a sump but i tried for 3 hrs to catch the little bugger lastnight and did so to no avail...... i think i may have to tear down the rock work but i want to same that as a last resort...... any ideas on how to catch him???? i tried a net 2 nets and small fish hookis with krill for bait any more sudgestions?????