great marsh great marsh
trade or migrate or action replay
It is possible to get the Pokemon Gulpin in Pokemon Platinum version by going to the Great Marsh. Gulpin is a poison type of Pokemon.
Gulpin evolves into Swalot at LV.26
Gulpin evolves into Swaloti at level 26 in Pokemon emerald
Gulpin is #316 in the national pokedex, and it is a Poison type Pokemon.