The best replacement for tarantula is scorpion.

The best alternatives to tarantula are rated as following:
★★★★★  scorpion
★★  centipede
★★  wasp
★★  spider
★★  black widow
★  tarantula
★  mantis
★  g15
★  hornet
★  camel spider
★  wolf spider
★  lycosa
★  praying mantis
  scorpion pet
  master levitation system
  molting
  millipede
  scorpion youtube
  tarantula hawk
  sun spider
  emperor scorpion
  zebra leg tarantula

Your alternative for tarantula is not listed? Suggest!
Speaking about tarantula, one probably shouldn't forget about nematodes.

Other search terms related to tarantula and their ratings are:
★★★★★ nematodes
You have in mind a companion for tarantula and it is not yet here? Propose!



Google Trends

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tarantula
scorpion
centipede