Latin Etymology: Gasteracantha ("belly thorn") cancriformis ("crab shape")
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Adult female Spinybacked Orbweaver (Gasteracantha cancriformis) at Alajuela, Costa Rica - November 2025
Featured Subspecies: Gasteracantha cancriformis cancriformis
Weight: ? / Length: 2-9mm
NO UK STATUS / IUCN Red List: Not Yet Evaluated
A widely distributed species of New World spider found throughout much of the Tropical and Subtropical Americas. They come in various colour morphs where the abdomen can be white or yellow, and the spines can be red or black. They are a short lived species where both sexes die shortly after reproduction.
Related Species:
Order: Araneae
Family: Araneidae
Genus: Gasteracantha
SUBSPECIES: G. c. cancriformis, G. c. gertschi
- Sighting Locations -
Further Notes: BirdForum Opus, IUCN Red List, RSPB, Wikipedia, Xeno-canto
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