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

Scientists have newly identified a “supergiant” sea bug species after purchasing ... Currently, there are only 11 known “supergiant” and nine “giant” Bathynomus species, with several ...

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 ...