What looks like a spider but isn’t one, lives underwater and breathes through its legs? That would be the mysterious sea ...

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 ...

Although the "giant" isopod ranges in size from 3 to 20 inches (8 to 51 ... Like a daddy longlegs, the giant sea spider (Colossendeis) has long, delicate legs extending from a smaller body.

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 ...