Swampert can be either gender; male or female. Some Pokèmon, like Kangaskhan, are always female. Others are always male. Some don't even have genders! (Such as most ledgendaries and a few regular Pokèmon)
But other than that, most Pokèmon (About 76%) can be both male or female.
~Lucario
Swampert is a Water and Ground type pokemon.
Pick Swampert.
No you cannot physically get Swampert in FireRed instead you will have to trade for one.
Swampert
marshstomp
Sceptile is way better than Breloom. Swampert is better than Sharpedo, Swampert is also a Ground type.
swampert miltic
Swampert does not learn Hydro Pump.
Swampert
Swampert is #260 in the national pokedex, and it is a Water-Ground type Pokemon.
Yes, Swampert is able to breed with any Pokemon in the Monster and Water 1 egg groups.
The best water Pokemon in Pokemon emerald I believe is Kyogre. kyogre is probably the stongest but i prefer a swampert if you don't like legenderies