fish ghosts!? (Gengar-Mega) @ Choice Specs  
Ability: Adaptability  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Moongeist Beam  
- Sludge Wave  
- Volt Switch  

frog in the fish (Greninja-Ash) (M) @ Life Orb  
Ability: Tough Claws  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Fishious Rend  
- Wicked Blow  
- Grass Knot  
- U-turn  

fish in the dog? (Zacian-Crowned) @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Sunsteel Strike  
- Bolt Strike  
- Glacial Lance  
- Rapid Spin  

bucket o' fish (Arceus-Water) @ Leftovers  
Ability: Fur Coat  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Tail Glow  
- Steam Eruption  
- Moonblast  
- Recover  

wierd fish (Mewtwo-Mega-Y) @ Life Orb  
Ability: Psychic Surge  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Expanding Force  
- Photon Geyser  
- Blue Flare  
- Volt Switch  

a fish THIS BIG (Tyranitar-Mega) @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Haze  
- Nuzzle  
- U-turn  
- Shore Up