Pokémon FireRed and LeafGreen/Route 20

This east-west route is divided by the Seafoam Islands residing in the center. Make sure to come prepared with a plenty of Pokeballs, as there is a unique Pokemon hiding within the caves.

Pokémon Found

Surf

Fire Red	Level	Encounter Rate	Leaf Green	Level	Encounter Rate
Tentacool	5-40	100%	Tentacool	5-40	100%

Old Rod

Fire Red	Level	Encounter Rate	Leaf Green	Level	Encounter Rate
Magikarp	5	100%	Magikarp	5	100%

Good Rod

Fire Red	Level	Encounter Rate	Leaf Green	Level	Encounter Rate
Magikarp	5-15	20%	Magikarp	5-15	20%
Horsea	5-15	60%	Horsea	5-15	20%
Krabby	5-15	20%	Krabby	5-15	60%

Super Rod

Fire Red	Level	Encounter Rate	Leaf Green	Level	Encounter Rate
Gyarados	15-25	15%	Gyarados	15-25	15%
Horsea	15-35	80%	Krabby	15-35	80%
Seadra	25-35	4%	Kingler	25-35	4%
Psyduck	25-35	1%	Slowpoke	25-35	1%

Trainers

East Side

Name	1st	2nd	3rd	4th	Reward
Barry	Shellder 31	Cloyster 31			124
Darrin	Horsea 28	Horsea 28	Seadra 28	Horsea 28	112
File:Pokemon FRLG SwimmerF.png Shirley	Seadra 30	Horsea 30	Seadra 30		120
File:Pokemon FRLG SwimmerF.png Tiffany	Seaking 35				140

West Side

Name	1st	2nd	3rd	Reward
Irene	Tentacool 30	Horsea 30	Seel 30	600
File:Pokemon FRLG Birdkeeper.png Roger	Fearow 30	Fearow 30	Pidgeotto 30	720
File:Pokemon FRLG SwimmerF.png Nora	Shellder 30	Shellder 30	Cloyster 30	120
Dean	Staryu 35			140
Missy	Goldeen 31	Seaking 31		620
File:Pokemon FRLG SwimmerF.png Melissa	Poliwag 31	Seaking 31		124