Description
Acanthoscurria geniculata is a hobby staple. Captive bred for decades across the globe, it’s native to eastern Brazil, near the mouth of the Amazon. Hobbyists covet A. geniculata because of boldly contrasting white and dark brown banding on the legs. Females grow to around 6 inches. A. geniculata is hardy and adults are often on display, even when given a hide.
Although a rainforest terrestrial, juvenile and adult A. geniculata do well in rather conventional enclosure conditions: room temperature (68-72F), dry to semi-dry substrate, a water dish, moderate ventilation and weekly feedings.
Spiderlings require a bit more attention, mainly with respect to humidity. Keep spiderlings on slightly dampened substrate made by mixing 1 part water with 10 parts dry substrate. Limit ventilation only enough to allow humidity to rise. If you decide to use higher temperatures, to 80F for example, monitor more closely for dryness and consider a water dish for insurance against dehydration.
A. geniculata temperament is slightly defensive. It flicks irritating hairs when disturbed and can inflict a painful bite when threatened.
Why A. geniculata? A large, display tarantula with strikingly bold contrasts (dark-white leg bands).
Photos: 1-adult female (ArachnoEden); 2,3-stock images
Care highlights:
- slightly dampened substrate for spiderlings
- elevated humidity (75-90% RH) +/- water dish support
- room temperature (68-72F) up to 80F
- occasional drier intervals for juveniles and up
- consider a hide, forest litter and plantings for enrichment
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