A very legendary pokemon
Palkia is #484 in the national pokedex, and it is a Water-Dragon type Pokemon.
Manaphy.
manaphy
484
#484
You can't catch Palkia naturally, but you could either trade or to get it for your Pokedex, you can go to celestic town when you have 150 for your pokedex(It might be 149) and the Elder will show you a picture of palkia.
yes.
478 is the Pokemon froslass which is right before rotom on the national pokedex. and 485 is the Pokemon heatran which is right after palkia on the national pokedex.
You can look at the picture of Palkia in Celestic Town to put it into your pokedex, but you can't actually catch it in diamond.
Palkia, the one on the cover of Pearl.
Pokemon number 150 is Palkia, you can get it on the pokedex by trading, battle a friend or seeing the old lady in the library who shows you a picture of Palkia which is then added to your pokedex.
THE LAST FIVE POKEMON IN THE POKEDEX IN DIAMOND IS UXIE MESPRIT AZELF DIALGA AND PALKIA. NOTE: PALKIA CANT BE CAUGHT UNLESS YOU TRADE WITH SOMEONE.