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Six-eyed Cave Spider (Sicarius terrosus)

Six-eyed Cave Spider (Sicarius terrosus)

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Sicarius is a genus of spider in the family Sicariidae. In 2017, the genus Hexophthalma was split off from Sicarius; as currently circumscribed, Sicarius is native to South America with one species found in Central America. Sicarius is one of three genera in the family Sicariidae. The venom of its species appears to be less dangerous than that of species of the other two genera, Hexophthalma and Loxosceles.

Sicarius are desert and dry country spiders that live in the Southern Hemisphere in South America (the single exception is the Central American S. rugosus), known primarily for their self-burying behavior. All have six eyes arranged in three groups of two (dyads). Sicarius resembles the crab spiders of the family Thomisidae and the members of the family Homalonychidae.

However, Sicarius lacks the characteristic violin-shaped marking of the related recluse spiders. Individual Sicarius can live for as much as 15 years, which makes these among the longest-lived araneomorphae spiders (some tarantulas can live well over 20–30 years), and can live for a very long time without food or water.


Juvenile Size:


Adult Size:

1- 2'' (2.5 - 5 cm)

Temperature: 77 - 82.4°F (25 - 28°C)
Humidity: 20 - 30%
Feeding: Insects
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