Shade
Monster Junkie
Alertness is good. How about Blind-Fight and Skill Focus (Hide) for the other two?
Slight revision...
Lure Snare (Ex): The angler fish may make a melee touch attack with its hooked lure. This attack deals 1d4 points of piercing damage, and the target must succeed on a DC 16 Reflex save or become stuck to the lure, allowing the angler fish to immediately make an attack of opportunity with its bite attack to grab the victim.
Slight revision...
Lure Snare (Ex): The angler fish may make a melee touch attack with its hooked lure. This attack deals 1d4 points of piercing damage, and the target must succeed on a DC 16 Reflex save or become stuck to the lure, allowing the angler fish to immediately make an attack of opportunity with its bite attack to grab the victim.