no. the only way a Pokemon can know it is if you trade one that knows it from an old game on the ruby.
it does not learn hydro cannon you have to get the tm hydro cannon
Lugia does not learn hydro cannon nor can learn hydro cannon.
The only way for Swampert to learn hydro pump is to let Mudkip learn it at level 42, sorry.
swampert can not learn hydro cannon in R/E/S it can only learn hydro cannon in Pokemon pearl/platinum/diamond SEE YA
No, Palkia is not capable of learning Hydro Cannon.
The only Pokemon that can learn Hydro Cannon are: Blastoise, Feraligatr, Marshtomp, and Empolion.
Gyarados cannot learn the move Hydro Cannon. Hydro Cannon is a move that can only be learned by the Water type Starter Pokemon.
feraligatr learns hydro cannon at level 74
Yes he/she can
Never.
It won't learn hydro cannon because its a move taught by a move tutor in firered and leafgreen.
Its hydro cannon, to have it learn hydro cannon level it up to level 50 then go to two island and go north to an old ladies house and show your blastoise to her and she will teach it hydro cannon.