

Sign in to mark the Hippopotas you own and where each one is.
Where to catch it
12 games
Legends: Z-A
SwitchStart a huntI have itAvailable now- Wild odds
- Full odds 1 in 4,096
Shiny: yes
Scarlet/Violet
SwitchStart a huntI have itAvailable now- Wild odds
- Full odds 1 in 4,096
- Mass outbreak up to 1 in 1,365 (cleared 60+ · outbreak species only)
- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Shiny: yes
Legends: Arceus
SwitchStart a huntI have itAvailable now- Wild odds
- Full odds 1 in 4,096
- Mass outbreak 1 in 158 (outbreak species only)
- Massive mass outbreak 1 in 315 (outbreak species only)
Crimson Mirelands (Sludge Mound, Scarlet Bog) and Coronet Highlands (Celestica Trail)Wild
Researched, awaiting review · checked 7 Oct 2026 · nintendolife.com
Shiny: yes
Brilliant Diamond/Shining Pearl
SwitchStart a huntI have itAvailable now- Wild odds
- Full odds 1 in 4,096
- Poké Radar chaining up to 1 in 99 (chain 40+ · grass only)
- Grand Underground Diglett bonus 1 in 2,048 (Grand Underground only)
- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Ruin Maniac Tunnel and Grand Underground hideaways (Rocky Cave, Sandsear Cave, Big Bluff Cavern)Wild
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
Sword/Shield
SwitchStart a huntI have itAvailable now- Wild odds
- Full odds 1 in 4,096
- Brilliant aura (number battled) up to 1 in 585 (battled 500+ · brilliant aura spawns only)
- Raid odds
- Full odds 1 in 4,096
- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Ultra Sun/Ultra Moon
3DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Pokémon Bank
- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Breed HippowdonEgg
Not found in the wild here: breed a Hippowdon caught in Ultra Space Wilds.
Researched, awaiting review · checked 7 Oct 2026 · smogon.com
Shiny: yes
X/Y
3DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Pokémon Bank
- Wild odds
- Full odds 1 in 4,096
- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Shiny: yes
Black 2/White 2
DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank
- Breeding odds
- Full odds 1 in 8,192
- Masuda method 1 in 1,365
Breed HippowdonEgg
Breed Hippowdon; the parent only appears during a post-game swarm.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
Black/White
DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank
- Wild odds
- Full odds 1 in 8,192
- Breeding odds
- Full odds 1 in 8,192
- Masuda method 1 in 1,365
Route 4Wild
Post-game swarm: it only appears on days the gate monitors report it swarming on this route.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
HeartGold/SoulSilver
DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transfer to a Gen 5 game → Poké Transporter → Pokémon Bank
- Wild odds
- Full odds 1 in 8,192
- Breeding odds
- Full odds 1 in 8,192
- Masuda method 1 in 1,638
Shiny: yes
Platinum
DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transfer to a Gen 5 game → Poké Transporter → Pokémon Bank
- Wild odds
- Full odds 1 in 8,192
- Poké Radar chaining up to 1 in 200 (chain 40+ · grass only)
- Breeding odds
- Full odds 1 in 8,192
- Masuda method 1 in 1,638
Maniac Tunnel — 26 Plus Different Unown CaughtWild
Lv. 24–26 · Walk
Imported, awaiting review · checked 7 Oct 2026 · PokeAPI
Shiny: yes
Ruin Maniac Cave — 0 9 Different Unown CaughtWild
Lv. 22–24 · Walk
Imported, awaiting review · checked 7 Oct 2026 · PokeAPI
Shiny: yes
Ruin Maniac Cave — 10 25 Different Unown CaughtWild
Lv. 23–25 · Walk
Imported, awaiting review · checked 7 Oct 2026 · PokeAPI
Shiny: yes
Diamond/Pearl
DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transfer to a Gen 5 game → Poké Transporter → Pokémon Bank
- Wild odds
- Full odds 1 in 8,192
- Poké Radar chaining up to 1 in 200 (chain 40+ · grass only)
- Breeding odds
- Full odds 1 in 8,192
- Masuda method 1 in 1,638
Maniac Tunnel — 26 Plus Different Unown CaughtWild
Lv. 22–25 · Walk
Imported, awaiting review · checked 7 Oct 2026 · PokeAPI
Shiny: yes
Ruin Maniac Cave — 0 9 Different Unown CaughtWild
Lv. 22–23 · Walk
Imported, awaiting review · checked 7 Oct 2026 · PokeAPI
Shiny: yes
Ruin Maniac Cave — 10 25 Different Unown CaughtWild
Lv. 22–24 · Walk
Imported, awaiting review · checked 7 Oct 2026 · PokeAPI
Shiny: yes
Missing a way to catch it? Suggest an encounter