"Don't eat the green ones, Kent; you wouldn't like the Green ones"
- misquoted from "A Fish Called Wanda"
I watched Total Recall (the Schwarzenegger one) and at 1:31 in the playback, the master villain kicks over his fishtank in a fit of pique; cut to a closeup of poor dying goldfish, gasping out their last, symbolic (I assume) of the martian workers he is starving of air.
What follows is a woefully incomplete list of media containing GFV (gratuitious fish violence)
Finding Nemo (yes)