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 ...

along with their Antarctic origin. The body of the Halanychi measures about 0.4 inches, with legs extending up to nearly 1.2 inches. Although such measurements are typical for sea spiders ...

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 ...

New research has revealed that a hairy crustacean—dubbed "The Hoff crab" when it was discovered in 2010—is the first species ...

Sea spiders occupy marine habitats the world over, in both deep and shallow waters. But until now, scientists were not able to pinpoint the mechanism that allows them to breathe underwater in the ...

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 ...

A study, published in the March 28, 2018 issue of the "Journal of Experimental Biology," has gotten to the bottom of how sea spiders move oxygen through their bodies by studying several species of ...