Get a good rod
Fish anywhere with an old rod, catch a magikarp, then get it to level 20.
Level 20.
You have to evolve a FEMALE BURMY at Level 20. If not female it evolves into a Mothim.
I belive it is on level 20
Level 20.
Level 20
Level 20.
Spearow evolves at level 20.
In Pokemon Diamond & Pearl, Wooper evolves into Quagsire at level 20.
Magikarp evolves into Gyarados at level 20.
It should be on level 20 or 25.
level 20 or 24