Scientists find new deep-sea slug species that uses bioluminescence in the ocean's midnight zone.

Researchers from the Monterey Bay Aquarium Research Institute discovered a new species of sea slug, named Bathydevius caudactylus, in the deep ocean's midnight zone, around 3,300 to 13,100 feet below the surface. This unique creature, nicknamed the "mystery mollusk," has a large gelatinous hood for trapping prey, a paddle-like tail, and uses bioluminescence to navigate and deter predators. This discovery marks the first known sea slug to inhabit such deep waters, highlighting the importance of deep-sea exploration and conservation.

November 12, 2024
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