They can be accessed only after obtaining the Mystic and Eon Tickets from an official Nintendo event.
there is no island 8 or ninie in Pokemon fire red or leaf green or any other Pokemon games.in fire red and leaf green there is only islands 1,2,3.get further in the game and you'll go to islands 4,5,6,7.
No only Fire Red and Leaf Green and trade it from Pokemon fire red and leaf green
The Pokemon you can get in fire red and not leaf green are Electabuzz and Scyther.
Seafoam islands.
you have to migrate them on Fire red or Leaf green you have to migrate them on Fire red or Leaf green you have to migrate them on Fire red or Leaf green
trade from fire red or leaf green trade from fire red or leaf green
you can find them in MT.Ember
Trade from fire red or leaf green. On fire red and leaf green its found on memorial pillar (in the sevii islands).
You have to use a super rod in islands 4 or 5. You can can catch it in Pokemon fire red and leaf green both.
you get to the sevii islands after you defeat the Pokemon leagu
you can't get him on emerald ruby or Sapphire. you have to trade him from Pokemon leaf green or fire red to emerald. on Pokemon fire red and leaf green you get him at the end of island 1.
Trade it from pokemon fire red or pokemon leaf green