That is about the going rate for the C. Isosceles (Pintail) wrasse. I had one before he perished due to hitting my T5 reflector, and never recovered. Very sad day, because I purchased mine when he was just over 2" long. Mine was with much larger Ornate leopard wrasse, Yellow wrasse, Halichoeres melasmapomus (Ear muff wrasse), 2 Frame Wrasse and never showed any aggression. He would hang out with the bigger flame wrasse and follow him around. I think this was because I acclimated them both together and introduced them to the tank at the same time.
I would say if you have the chance and a nice acclimation box... GO for it! They are a beautiful addition.