KANTO — Route 20
Route 20 – Pokémon & Locations
Every wild Pokémon on Route 20 in FireRed/LeafGreen: catch rates, levels, items and trainers — plus the differences between the two versions and a calculated best-catch tip. Route 20 connects Route 19 with Seafoam Islands.
Encounter table
Horsea#116FishingLv 5–25140%
Magikarp#129FishingLv 5–15120%
Tentacool#072SurfLv 5–40100%
Krabby#098FishingLv 5–1520%
Gyarados#130FishingLv 15–2515%
Seadra#117FishingLv 25–354%
Psyduck#054FishingLv 25–351%Source: PokéAPI (FireRed/LeafGreen) – rates are the summed encounter slots per species and method.
Items on Route 20
Stardust
Trainers on Route 20
Swimmer♂ Barry
Shellder Lv 31, Cloyster Lv 31
Swimmer♂ Dean
Staryu Lv 35
Swimmer♂ Darrin
Horsea Lv 28, Horsea Lv 28, Seadra Lv 28, Horsea Lv 28
Swimmer♀ Tiffany
Seaking Lv 35
Swimmer♀ Nora
Shellder Lv 30, Shellder Lv 30, Cloyster Lv 30
Swimmer♀ Melissa
Poliwag Lv 31, Seaking Lv 31
Swimmer♀ Shirley
Seadra Lv 30, Horsea Lv 30, Seadra Lv 30
Bird Keeper Roger
Fearow Lv 30, Fearow Lv 30, Pidgeotto Lv 30
Picnicker Missy
Goldeen Lv 31, Seaking Lv 31
Picnicker Irene
Tentacool Lv 30, Horsea Lv 30, Seel Lv 30
Best catch on Route 20
Gyarados has the highest base stat total (540) of every catchable species here — statistically the strongest catch on Route 20. Automatically calculated from stats, not a meta ranking.
NUZLOCKE
Nuzlocke on Route 20
Log your first catch on Route 20 straight into a new Nuzlocke run — the tracker knows every encounter on this route.
7 species. Most common: Horsea (140 %), Magikarp (120 %), Tentacool (100 %). The rarest catch is Psyduck (1 %). All rates are the summed encounter slots from PokéAPI (FireRed).
Yes, there are differences. The versions differ on Route 20 like this: Psyduck only in FireRed (1%); Slowpoke only in LeafGreen (1%); Krabby: 20% (FR) vs. 140% (LG); Kingler only in LeafGreen (4%); Horsea: 140% (FR) vs. 20% (LG); Seadra only in FireRed (4%)
Yes. You can find 1 item on Route 20: Stardust.
Gyarados. With a base stat total of 540, Gyarados has the highest total of all catchable species here — our calculated tip for Route 20 (derived automatically from stats, not a meta ranking).