KANTO — Route 21
Route 21 – Pokémon & Locations
Every wild Pokémon on Route 21 in FireRed/LeafGreen: catch rates, levels, items and trainers — plus the differences between the two versions and a calculated best-catch tip. Route 21 connects Cinnabar Island with Pallet Town.
Encounter table
Horsea#116FishingLv 5–25140%
Magikarp#129FishingLv 5–15120%
Tentacool#072SurfLv 5–40100%
Tangela#114GrassLv 17–28100%
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 21
Pearl
Trainers on Route 21
Fisherman Ronald
Seaking Lv 28, Goldeen Lv 28, Seaking Lv 28, Seaking Lv 28
Fisherman Wade
Magikarp Lv 27, Magikarp Lv 27, Magikarp Lv 27, Magikarp Lv 27, Magikarp Lv 27, Magikarp Lv 27
Swimmer♂ Spencer
Seadra Lv 33, Tentacruel Lv 33
Sis And Bro Lil & Ian
Seadra Lv 33, Starmie Lv 33
Fisherman Claude
Shellder Lv 31, Cloyster Lv 31
Fisherman Nolan
Seaking Lv 33, Goldeen Lv 33
Swimmer♂ Jack
Starmie Lv 37
Swimmer♂ Jerome
Staryu Lv 33, Wartortle Lv 33
Swimmer♂ Roland
Poliwhirl Lv 32, Tentacool Lv 32, Seadra Lv 32
Best catch on Route 21
Gyarados has the highest base stat total (540) of every catchable species here — statistically the strongest catch on Route 21. Automatically calculated from stats, not a meta ranking.
NUZLOCKE
Nuzlocke on Route 21
Log your first catch on Route 21 straight into a new Nuzlocke run — the tracker knows every encounter on this route.
8 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 21 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 21: Pearl.
Gyarados. With a base stat total of 540, Gyarados has the highest total of all catchable species here — our calculated tip for Route 21 (derived automatically from stats, not a meta ranking).