I finished the fish & the background, added in the keys, and now it's done. The water in the background looks like a lake, or loch, hence the title. The fish has a lock in its eye, and the other characters in the painting all have a key. Originally I was going to have just one key dangling off the lady's hat, but once I put the lock into the fish, I realized all three of the other characters had to have a key.
I entered this painting into a juried show AVAA 32nd Anniversary (Austin Visual Arts Association).