In the inky blackness of the ocean’s midnight zone, a remotely operated vehicle has spotted a new species of glowing sea slug. Monterey Bay Aquarium Research Institute (MBARI) researchers have classified the new species as Bathydevius caudactylus ...

A “remarkable” new sea slug nicknamed the “mystery mollusc” has been discovered swimming deep in the ocean’s “midnight” zone. The species has “unique” adaptations for life in the pitch black depths including a large gelatinous hood to trap prey,