It may just be my bright monitor, but the colors for me a very dull and washed out... which isn't helped by the background. I would of thought the koi would be more vibrant. It also lacks any feel of them actually being underwater and swimming around. They look beached. However, this is also jawdroppingly detailed with photorealistic accuracy and a professional piece in it's own right.
I'm so very glad the moderators agreed with my suggestion that this gorgeous piece be a Daily Deviation; I hope more people will be exposed to your glorious work. You are not an amateur by any means, you are a consummate professional, my friend!
gotta love koi fish ... when i saw this as a little picture it looked like a photo graph .... actually it looks like a photograph until i read that it was a painting haha good work! this inspires me to do a fish painting one day
I'd almost bet this could be done as a photograph. Might need the camera hanging from a crane, a deep polarizer, complete control of the lighting, and the patience of a saint. But I think it could be done.