One of the main enemies of the tarantula is the tarantula hawk, a wasp which subdues a tarantula and lays an egg on it, then leaves it paralyzed for the wasp grub to eat.
many things like the YELLOW SPOTTED LIZARD eats about 5 tarantulas a day
Predatory wasps, scorpions, centipedes, other tarantulas, lizards, and coatis
lizards birds and trantula hawk wasp
Spider hunting wasp