HeartGold Generations areas

Whirl Islands

Leads to Route 41

Grass

PokémonWhenLevelChance
KrabbyAny time22–2550%
ZubatAny time23–2430%
SeelAny time22–2515%
GolbatAny time23–245%

Surfing

PokémonWhenLevelChance
TentacoolAny time15–2560%
HorseaAny time10–2560%
TentacruelAny time15–2530%
SeadraAny time15–3010%

Old Rod

PokémonWhenLevelChance
MagikarpAny time1095%
KrabbyAny time105%

Good Rod

PokémonWhenLevelChance
KrabbyAny time2056%
MagikarpAny time2040%
HorseaAny time204%

Super Rod

PokémonWhenLevelChance
KrabbyAny time4040%
HorseaAny time4040%
KinglerAny time4016%
SeadraAny time404%

Items

Ultra BallUltra BallRare Candy · hiddenEscape RopeCarbosFull RestoreNuggetCalciumFull Heal · hiddenEscape Rope · hiddenIce Heal · hiddenPearl · hiddenMax ReviveFull RestoreMax ElixirHyper Potion · hiddenRare Candy