Excellent capture, the colours and sharpness are spot on
If I had to pick something, I'd also say the background is a little distracting.
I was going to suggest wider aperture to throw the background further out of focus, but you need the DOF for the foreground!
conclusion - great shot - and I like the PP
(don't like the mono though - sorry!)
I quite like the mono but agree with you that it might be a little OTT. thanks for doing it though, i was interested to see what that lovely creature would look like in black and white