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

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 ...