Spiny Orb Weaver facts: the Spikey Spiders | Animal Fact Files

Spiny orb weavers are classified in the genus Gasteracantha, however, they aren't the only spiny spiders in the world. There are even other spiders commonly know as spiny orb weavers that aren't classified in the Gasteracantha genus, so it's not always easy to tell them apart from other spiny spiders in the wild. There are currently about 70 described species of spiny orb weavers alive today. These spiders are often easy to spot thanks to their bright colors and striking appearance. While they might look menacing, they're considered harmless to humans. A bite might leave some swelling and redness, but it's not life-threatening.

Scientific Name: Genus - Gasteracantha
Range: tropical and temperate areas around the world
Size: On average, 5-9mm (0.2-0.35in) long
Diet: flies, moths, beetles, other arthropods
Lifespan: about a year

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Image and Video Credits:
Israel Castorena Lemus - https://www.youtube.com/watch?v=jDan0UmQgEc
Ades tna - https://www.youtube.com/watch?v=NvoHLYAhido
Haynes Haselmaier - https://www.youtube.com/watch?v=yCGIUuGMxvI
Judy Gallagher - https://www.flickr.com/photos/52450054@N04/8004905359 ; https://www.flickr.com/photos/52450054@N04/15516514976
Pavel Kirillov - https://www.flickr.com/photos/pasha_k/9733219590
Graham Winterflood - https://www.flickr.com/photos/126953422@N04/43186301231
Surfer43 - https://commons.wikimedia.org/wiki/File:Gasteracantha_cancriformis_mating_in_Summer.webm
Palmfly - https://commons.wikimedia.org/wiki/File:Phyrnarachne_sp.jpg
Ema326 - https://commons.wikimedia.org/wiki/File:Male_gastheracantha.png
Jidanni - https://commons.wikimedia.org/wiki/File:P_20191120_105856_vHDR_On.jpg
Research Credits:
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http://www.arachne.org.au/01_cms/details.asp?ID=2537
https://www.researchgate.net/publication/272098682_Redescription_of_the_orb-weaving_spider_Gasteracantha_geminata_Fabricius_1798_Araneae_Araneidae
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https://www.mnn.com/earth-matters/animals/blogs/spectacular-world-spiny-orb-weaver-spiders
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https://www.sciencedirect.com/science/article/pii/S0003347201918342
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http://entnemdept.ufl.edu/creatures/beneficial/g_cancriformis.htm

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