What’s the largest tarantula?
The largest tarantula in the world is the Goliath birdeater (Theraphosa blondi), famous for its massive body and impressive leg span. It’s native to the rainforests of northern South America and holds the record for the heaviest spider ever recorded.
Largest Tarantula: Goliath Birdeater (Theraphosa blondi)
Size Details:
- Body length: Up to 13 cm (about 5.1 in)
- Leg span: Typically 10–12 in (25–30 cm)
- Weight: Up to 170–175 g (over 6 oz) — the heaviest spider known.
Extra Facts
Despite the name, it rarely eats birds; the name comes from an old observation. It’s considered the largest by mass and body length, though the giant huntsman spider (Heteropoda maxima) beats it in leg span.

You may also like to know if tarantulas are deadly : Are tarantulas deadly? – arthropodinfo
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