seviper is only found on sapphire vice versa to zangoose. it has no other forms. (gen3) you may have it confused with arbok (gen1) which evolves from ekans at lv 25. hope i helped.
no Pokemon evolves into seviper
Seviper is a Poison type pokemon.
You can get seviper from Pokemon sapphire by trading.
Seviper does not evolve.
Currently, seviper does not have an evolution.
you can't catch seviper on Pokemon ruby (Pokemon sapphire only)
seviper can't be found anywhere
You need to trade seviper to firered from sapphire.
Of course not!
Seviper is #336 in the national pokedex, and it is a Poison type Pokemon.
It is a poison type.
Seviper