ok so as i've got this killer clown fish in my (really my dad's) 29 gallon. she's now killed a baby clown and a pygmy angelfish. my dad would really like another fish to the tank. we've added a 6-line wrasse that is doing fine, he's so fast he just darts into the rock when the clown chases him. i don't think the tank is big enough to support an aggressive clown and a damsel tho i was wondering if a damsel is our only option. i have a royal gramma in my 37 who i love and it holds its own with my clowns. i know they also duck into the rock when threatened so i was thinking that one maybe a good option for us. what do you think? if there is any other options for us to look at too, something small, aggressive and reef safe let me know!