Pokédex - POISON-type Pokémon (FireRed Version)
| Name | Number | Type |
|---|---|---|
| Bulbasaur | 1 | GRASS / POISON |
| Ivysaur | 2 | GRASS / POISON |
| Venusaur | 3 | GRASS / POISON |
| Weedle | 13 | BUG / POISON |
| Kakuna | 14 | BUG / POISON |
| Beedrill | 15 | BUG / POISON |
| Ekans | 23 | POISON |
| Arbok | 24 | POISON |
| Nidoran♀ | 29 | POISON |
| Nidorina | 30 | POISON |
| Nidoqueen | 31 | POISON / GROUND |
| Nidoran♂ | 32 | POISON |
| Nidorino | 33 | POISON |
| Nidoking | 34 | POISON / GROUND |
| Zubat | 41 | POISON / FLYING |
| Golbat | 42 | POISON / FLYING |
| Oddish | 43 | GRASS / POISON |
| Gloom | 44 | GRASS / POISON |
| Vileplume | 45 | GRASS / POISON |
| Venonat | 48 | BUG / POISON |
| Venomoth | 49 | BUG / POISON |
| Bellsprout | 69 | GRASS / POISON |
| Weepinbell | 70 | GRASS / POISON |
| Victreebel | 71 | GRASS / POISON |
| Tentacool | 72 | WATER / POISON |
| Tentacruel | 73 | WATER / POISON |
| Grimer | 88 | POISON |
| Muk | 89 | POISON |
| Gastly | 92 | GHOST / POISON |
| Haunter | 93 | GHOST / POISON |
| Gengar | 94 | GHOST / POISON |
| Koffing | 109 | POISON |
| Weezing | 110 | POISON |
| Spinarak | 167 | BUG / POISON |
| Ariados | 168 | BUG / POISON |
| Crobat | 169 | POISON / FLYING |
| Qwilfish | 211 | WATER / POISON |
| Dustox | 269 | BUG / POISON |
| Roselia | 315 | GRASS / POISON |
| Gulpin | 316 | POISON |
| Swalot | 317 | POISON |
| Seviper | 336 | POISON |