This is no longer a purely theoretical question, thanks to the modern world. Giving a liberal dose of cocaine to an eel turns out to be far worse for the eel than it is for us.
There are, however, electric fish: eight-foot long, 600 volt, mouth breathing, alligator-killing fish.
So much news passes before our collective eyes every day that we couldn't possibly cover it all. Mostly because much of it isn't worth covering! But here are a some borderline tidbits we passed on, just in case.