trade one in from XD: Gale of Darkness or Pokemon Emerald
you have to trade
You can't catch feraligatr in leafgreen you need to get a croconaw from Pokemon colosseum or get a totodile from emerald or Pokemon xd gale of darkness either way you must train both to get feraligatr.
Feraligatr is a Water type pokemon.
Feraligatr can learn Hydro Pump at level 58 in Pokemon Crystal.
# Gen 2 games cannot trade with gen. 3 or later versions (which sux cuz i had a killer level 85 and a cloned level 91 Feraligatr) ]=
Feraligatr is #160 in the national pokedex, and it is a Water type Pokemon.
The only way to get a Feraligatr is to pick Tododile as your starter Pokemon and evolve him into a Croconaw at level 18 and finally into a Feraligatr at level 30. You can also trade from other games to get a Feraligatr.
You cannot catch a Feraligatr in Pokemon FireRed. You can, however, transfer one from Pokemon Colosseum by catching Croconaw and evolving it into Feraligatr, then transferring it.
Yes you can trade leafgreen version Pokemon to another leafgreen version.
Nowhere
feraligatr
You cannot find Feraligatr in Pokémon Diamond however you do have the option of trading with another player that might have started with Totodile in Pokémon HeartGold or Pokémon SoulSilver additionally if you have Feraligatr in Pokémon Ruby, Sapphire, FireRed, LeafGreen or Emerald then you can use Diamond's Pal Park feature in order to migrate it over into the game so that it will now be in Diamond however once it has been migrated over it cannot be returned to Ruby, Sapphire, FireRed, LeafGreen or Emerald.