yes.
it's impossible to get remoraid. trade it from gold or silver.
You must catch Remoraid first by fishing in Route 44 and then evolve it at level 25.
In Pokemon Crystal version, you catch it at the Lake of Rage.
You could get a shiny Pokemon for crystal but you need luck to catch one ("_")
You cannot obtain Ice beam as a TM in Crystal. You can only learn it from the Move Tutor in Blackthorn City. You can also catch: Seel, Dewgong, Shelder, Lapras, Articuno, Remoraid, and Octillary, and level them up to learn it.
From the sprout tower at night.
you can't but only the gameshark will do!
no, you can't. BUT if you trade, you get it.
yes. only if you have cheats.
catch a magikarp,goldeen,remoraid
Remoraid is a Water type Pokemon that evolves into Octillery at level 25. Remoraid is not available for capture in Pokemon Fire Red and must be traded over from another game.
Crystal is a GEN:2 game while Latios is a GEN:3 pokemon. (so no)