No way! You've got a female yellow watchman. She's cool. I know the exact fish. I sorta see where the confusion came from. But yeah...totally female yellow watchman.
She's actually a much better inhabitant for your tank than the bluespot would have been considering that your tank appears open-topped.
Ok...so now what? Here's what I suggest...we catch Paul's tiger pistol shrimp and put it in your tank, forming one of the coolest things you can have in a reef tank...a goby-shrimp pair. Everyone knows I'm a huge fan of those so I'll definitely try to talk you into keeping her. Hah hah. But like I said, if you want to bring her back, just come see me this weekend. However, I think she's wicked awesome and completely underappreciated but that's just my opinion.
If you do decide you absolutely must have a jawfish you can still keep her!