will filling caves with water keep enemies from spawning?

[Freaktacular]

because i am making an underground farm and i want to know if there is any efficient way to keep monsters from spawning in pockets

[Earl]

pirahnas everywhere!

it will spawn water enemies depending on the biome

[Luminous]

Most of players' walls and platforms negate the spawn from enemies, as for the spawn range, you should search it on the wiki.