I'm leaning on getting a male bluejaw around 2 inches. My tank is a 55. But I also have a 240 I can put it in when it gets too big. I have some lps,softies and zoas/palys. I'm not too worried if I lose a snail or crab. I don't have any shrimp. I've done a lot of reading on the bluejaws so I think thats going to be my best bet.