While most sea spiders are modest in size, those dwelling in polar regions, such as the giant Antarctic sea spider, exhibit “polar gigantism,” boasting leg spans of up to 20 inches ...

Sea spiders don't do anything by the book, and researchers have just gotten to the bottom of how they breathe.

The reproduction of giant sea spiders in Antarctica has been largely unknown to researchers for more than 140 years, until now. University of Hawaiʻi at Mānoa scientists traveled to the remote ...

Picking its way across ice crystals in this stunning image is a giant Antarctic sea spider. Despite its name and appearance, it is not actually an arachnid but a pycnogonid - an invertebrate with a ...

They put giant Antarctic sea spiders in respiration chambers to see exactly how much oxygen they were absorbing, and they found they were taking in enough through tiny holes all over their legs to ...