You cant catch it but you can get a feebas and evolve it into milotic. Go to route 119 and use the old rod on the lake. Feebas will only appear on 6 squares on the lake. Surf on the water and fish 2-3 times on 1 square.After you get one, fedd it ONLY blue and/or dry pokeblocks to raise its bueaty. Feed it until you cant feed it anyymore. Level it up a few levels and it will evolve into a milotic.
Chat with our AI personalities
blue pokeblocks to max beauty
How do you catch latios in Pokemon sapphire
You catch a Feebas and evolve it somehow You do cath a feebas outside the weather thingy near where you fight the bird gym leader. Then you use Razz berries at Contest Stations to create BLUE blocks. Anything else will throw off the feebas., so you have to catach another. After you feed enough blocks to max out its beauty stat it will evolve. this means a lv1 milotic is possible.
There are many Pokemon you catch that are similar in sapphire and emerald but there are many Pokemon emerald can only get and not sapphire.
You can't catch Gastly in Sapphire. The only way to get one is to trade one from FireRed or LeafGreen.