The following Pokémon are of the Poison Pokémon Assist Type:

Ranger No. Picture Pokémon Name Group Field Ability Pokémon Assist Location
R-005 Weepinbell Grass None Poison Lila Forest
R-006 Victreebel Grass None Poison Lila Forest
R-025 Beedrill Bug Break Poison Lila Forest
R-058 Zubat Poison None Poison Croca Tunnel
R-059 Golbat Poison Gust x 2 Poison Panulla Cave
R-060 Crobat Poison None Poison Panulla Cave (requires Burn x 3)
R-087 Grimer Poison None Poison Underground Waterways
R-088 Muk Poison None Poison Underground Waterways
R-089 Koffing Poison None Poison Underground Waterways
R-151 Ekans Poison None Poison Olive Jungle (jump out from bushes)
R-152 Arbok Poison None Poison Cycla Mountain Range
R-153 Venonat Bug None Poison Olive Jungle
R-189 Swalot Poison None Poison Fiore Temple

 
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