Description
Selenobrachys sp. “Quezon blue” (ex. Orphnaecus) comes from Quezon Province in Luzon, the largest and most populous island in the Philippines. Several of the other islands have their own endemic species. Selenobrachys in nature seem to have a preference for rock crevices. They are opportunistic burrowers. In captivity spiderlings dig a maze of tunnels. Adults tend to web at ground level or just below.
Keep spiderlings on slightly dampened substrate (1 part water + 10 parts dry substrate) and limit ventilation enough to allow humidity to build. Room temperature (68-72F) is adequate. Warmer is fine but things will dry faster. As your pet grows its drought tolerance will increase. You can gradually reduce enclosure moisture and liberalize ventilation.
Blue color is most evident in freshly molted adults. Females mature at about 4 inches. S. sp. “Quezon blue” is fast, easily agitated and defensive. Venom may be medically significant. For these reasons, although it is hardy and requires no unusual care, we recommend S. sp. “Quezon blue” for experienced keepers.
Photos: 1-adult female (ArachnoEden)
Care highlights:
- slightly dampened substrate
- elevated humidity +/- water dish support
- room temperature (68-72F) up to 80F
- juveniles and adults have more drought tolerance
- consider forest litter and a hide for enrichment








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