In heart gold and soul silver how do I get a Octillery with the ability sunction cups?

Question

if I catch a remoraid with hustle and evolve it in to Octillery is there a chance its ability will change to sunction cups and will it stop the 3 legendary dogs from running

Answer 1

Yes, but suction cups doesnt prevent them from fleeing it prevents them from forcing you to switch out. They can still flee.