Route 42

Johto · Crystal

Pokémon	Type	Levels	Held	Morn4–10	Day10–18	Night18–4
Walk
Ekans	Poison	13	—	30%	30%	—
Rattata	Normal	13–15	—	20%	20%	30%
Spearow	NormalFlying	14	—	30%	30%	—
Zubat	PoisonFlying	14	—	—	—	30%
Raticate	Normal	15–16	—	10%	10%	20%
Golbat	PoisonFlying	16	—	—	—	15%
Arbok	Poison	15	—	5%	5%	—
Fearow	NormalFlying	16	2%	5%	5%	—
Marill	Water	15	—	—	—	5%
Surf
Pokémon	Type	Levels	Held	Rate
Goldeen	Water	15–24	—	90%
Seaking	Water	20–24	—	10%
Headbutt
Pokémon	Type	Levels	Held	Rate
Spearow	NormalFlying	10	—	65%
Aipom	Normal	10	—	20%
Ekans	Poison	10	—	15%
Headbutt · rare trees
Only from a rare tree: one tree in ten, picked by the tree's position and the player's Trainer ID. Headbutting a rare tree starts a battle 80% of the time; four trees in ten start one 50% of the time, and the rest 10%.
Pokémon	Type	Levels	Held	Rate
Spearow	NormalFlying	10	—	50%
Heracross	BugFighting	10	—	30%
Aipom	Normal	10	—	20%
Old rod
Pokémon	Type	Levels	Held	Rate
Magikarp	Water	10	—	85%
Goldeen	Water	10	—	15%
Good rod
Pokémon	Type	Levels	Held	Rate
Goldeen	Water	20	—	65%
Magikarp	Water	20	—	35%
Super rod
Pokémon	Type	Levels	Held	Rate
Goldeen	Water	40	—	70%
Magikarp	Water	40	—	20%
Seaking	Water	40	—	10%