Half a fish, installed
Through the Magic of Photoshop™, not to mention the Power of Procrastination™, this is roughly what the fish painting would look like if I just said screw it and hung it as is.
(Also, now you see why there’s such a wide gap between each column of panels, and why the set isn’t rectangular; the room it will be in is built into a hillside so the windows cut diagonally across the walls. It’s a site-specific work.)
The entire fish will be twenty-six feet long and roughly six feet tall. Stand back.