This update i added the multicolour fishes to my piece, the reason i added them was to give the piece a bit more going on into it.
This is were i am putting the school of fish slightly above the vortex and have them in the position like they are swimming away from the vortex.
I dropped the "fishes" layer near the bottom because this makes the fishes fade into the background as seen here
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This makes the fish fade into the background to show them swimming away into the gloom.