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Global Animal Guide

Tarantula vs Brown Recluse Spider

Quick answer

It is too close to call. The Tarantula and the Brown Recluse Spider are evenly matched on paper, and in the wild the outcome would come down to size, surprise, and circumstance.

This is a hypothetical, educational comparison based on typical size, strength, and natural weaponry. In the wild these animals rarely meet, and most encounters end without a fight.

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Tarantula on rocky desert ground with detailed hairy legs Power 18

Invertebrate

Least Concern
Tarantula
Weight 85 g
Length 13 cm
Top speed 2 km/h
Strength 6/100
Deadliness 25/100
Intelligence 5/100
Lifespan 20 yr
Brown recluse spider showing violin marking on cephalothorax Power 19

Invertebrate

Not Evaluated
Brown Recluse Spider
Weight 1 g
Length 2 cm
Top speed 0.5 km/h
Strength 8/100
Deadliness 45/100
Intelligence 15/100
Lifespan 3 yr

Tarantula vs Brown Recluse Spider compared

Side-by-side comparison of the Tarantula and the Brown Recluse Spider
Attribute Tarantula Brown Recluse Spider
Weight 85 g 1 g
Length 13 cm 2 cm
Top speed 2 km/h 0.5 km/h
Strength 6/100 8/100
Deadliness 25/100 45/100
Intelligence 5/100 15/100
Lifespan 20 yr 3 yr

Tarantula vs Brown Recluse Spider: common questions

Who would win in a fight, a Tarantula or a Brown Recluse Spider?

It is too close to call. The Tarantula and the Brown Recluse Spider are evenly matched on paper, and in the wild the outcome would come down to size, surprise, and circumstance.

Which is bigger, the Tarantula or the Brown Recluse Spider?

The Tarantula is heavier, weighing around 0.085 kg compared with the other's 0.001 kg.

Which is faster, the Tarantula or the Brown Recluse Spider?

The Tarantula is faster, reaching about 2 km/h versus 0.5 km/h.

Which lives longer, the Tarantula or the Brown Recluse Spider?

The Tarantula typically lives longer, up to around 20 years compared with 3 years.

Sources & references

Conservation status follows the IUCN Red List of Threatened Species; size, weight, speed, and lifespan figures are drawn from Animal Diversity Web (University of Michigan Museum of Zoology) and Nowak, Walker’s Mammals of the World (Johns Hopkins University Press), cross-checked against each species’ own guide. Compare full profiles for habitat, diet, and behaviour:

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