Mudkip family Top 10 guide

Members
Marshtomp, Mudkip, Swampert
Types
Ground, Water
Dynamax
No
Candy
Candy XL XL Candy

How to catch

Team GO Rocket
Water-type Female Grunt
Field research
Catch 10 Water-type Pokémon

Top ranked

Mega Mega Swampert
#2 Water Water Gun Hydro Cannon Elite TM
Expensive
Stardust ~475,000
XL Candy ~296 Unfarmable. Bank Rare Candy XL.
Buddy walking distance ~1,184 km

Costs assume Mega specimen, Level 20 → 50.

15 Attack ideal. Any decent IVs work.

Best current channels: Team GO Rocket, Field research.

Shadow Shadow Swampert
#9 Water Water Gun Hydro Cannon Elite TM
Most Expensive
Stardust ~616,320
XL Candy ~355 Unfarmable. Bank Rare Candy XL.
Buddy walking distance ~1,421 km

Costs assume Shadow specimen, Level 8 → 50.

15 Attack ideal. Any decent IVs work.

Best current channels: Team GO Rocket, Field research.

Never convert regular Candy to XL. The 100:1 rate is a trap. Bank Rare Candy XL instead.