Minimum stats are calculated with 0 EVs, 0 IVs, and (if applicable) a hindering nature. Maximum stats are calculated with 252 EVs, 31 IVs, and (if applicable) a helpful nature.
Meowstic's Pokédex entries
Females are a bit more selfish and aggressive than males. If they don’t get what they want, they will torment you with their psychic abilities.
If it doesn’t hold back when it unleashes its psychic power, it can tear apart a tanker. Its unfriendliness is part of its charm.