>>53757169It is an abstraction of an underwater school from a middling distance, to contrast the wimpy solo fish.
It is also a form change you fucking trout. Pokemon appearances change when they change forms, there's nothing fucking wrong with this.
>>53757179>Also where do they come from? Anywhere within 25 miles, according to the dex. Since Pokemon landmasses are pretty small and their region is literally an island chain, most of that distance is water.
>Do they chill all together in my Pokéball? No, but thanks to Vespiquen there's no reason they couldn't.
>Then why does initially only one enter the battle? They are your Pokemon's fair-weather allies. You have the one fish, and it has a supremely basic morale system to call them in and keep them together.
Wishiwashi also got a lot of hate in it's premier gen for being useless, it's just forgotten now.