Fire Pokemon are not found in any specific area like growlithe can be found east of celadon city and vulpix in the grass, Mt ember is home to magmar and slugma and the grass in kindle road is home to ponyta as you can plainly see there anywhere.
it can only be caught in leafgreen. instead, fire red players get growlithe.
Sandshrew is one of exclusive pokemon to Leafgreen version. Therefore you must trade one from Leafgreen to Firered to have one.The reason Sandshrew cannot be caught in Fire Red is because it is not available in Fire Red. The only way to get it is to trade it with Leaf Green.
A lot
Electabuzz cannot be caught in Leaf Green. You need to trade an Electabuzz from Fire Red or XD.
You cannot get to Fire Island on Pokemon LeafGreen. Fire Island is a setting exclusive to the second Pokemon movie, Pokemon the Movie 2000.
All starters, including Bulbasaur, can't be caught in Pokemon LeafGreen.
there are 151 between leafgreen and fire red
Nothing
Feebas cannot be caught in Pokemon LeafGreen. You would have to trade one from Ruby, Sapphire, or Emerald.
Face the Pokemon League again
NO!! you can caught it on other version like a Pokemon hack
Arcanine is the evolved form of Growlithe. Neither of them can be caught in the wild on Leaf Green. Growlithe is a Pokemon Fire Red exclusive pokemon. To be able to evolve it, give it a Fire Stone and then trade it to your Leaf Green game.