"TIL Fish & Chips was an aid in winning WWII. Sir Winston Churchill saw the comfort food as a 'good companion' and was a dish that didn't get rationed to keep morale up. On the frontlines, troops calling "fish" and allies calling "chips" was an effective way to tell whether you were friend or foe."
But it seem to be true:
https://www.journaldequebec.com/2016/08/19/un-narval-adopte-par-des-belugas-dans
-le-fleuve-saint-laurent
I'm curious, what became of those folks when covid hit and all the ships were drydocked?