Yeah, I bought 3 pajamas and three bangi for my tank. The pajamas are doing fine, but lost all bangi by the next day.
One didn't even make it thru acclimation process.
Think there was something wrong with them before I got them, But not sure and afraid to try to get any more.
How about a royal gramma for color.
Do you have a sand bed? If so you could get a prawn gobie and a tiger pistol shrimp to add character to your tank.
Also, a sixline wrasse is very colorful and useful for potential parasite problems.
Just keep in mind the last two fish are jumpers, so u need a tight lid for them.