I didn't actually get this, but I was amused to see it in the supermarket this morning. Fancy a bit of smlnon?
At first I guessed they had misspelled salmon, but looking at the contents changed my mind. It is a strangely artificial pink colour - like 'strawberry' yogurt. Definitely died, I'd say. Or dyed. I could almost see the brush strokes.
The curved writing at the bottom, above the image, assures me it is fresh (it isn't), non-greasy and boneless. It wouldn't surprise me if it were also fishless.
More fun trying to work it out than that silly word game everyone is playing!