sea spiders

Researchers have identified two previously unknown species of sea spiders along Canada's coastline, expanding knowledge of marine biodiversity in the region. Sea spiders are unusual marine arthropods found in oceans worldwide, and new discoveries like this help scientists better understand life in cold coastal waters.

Scientists have identified two previously unknown species of sea spiders along Canada's coastline, according to NPR. The discovery adds to knowledge of marine biodiversity in the region, and researchers say the finding highlights how much of the ocean's life remains undocumented.