Largest spider by mass

The current largest spider by mass record is 0.39 lb, held by Goliath bird-eating tarantula (Theraphosa blondi). Last checked October 14, 2026.

0.39

Goliath bird-eating tarantula (Theraphosa blondi)

Northern South America; the Guinness-listed species range includes Suriname, Guyana, French Guiana, Venezuela, and northern Brazil.

Holder: Goliath bird-eating tarantula (Theraphosa blondi)
Record: 0.39 lb
Metric: 0.2 kg
Exact figure: 175 g (0.175 kg)
Location: Northern South America; the Guinness-listed species range includes Suriname, Guyana, French Guiana, Venezuela, and northern Brazil.
Recognized by: Guinness World Records
Last checked: October 14, 2026

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