Maiocus

Maiocus is a rare and enigmatic species of deep-sea fish found in the hadal zone, the deepest region of the ocean. It was first discovered in 2019 during an expedition to the Mariana Trench, the deepest point in the world's oceans. The fish is named after the Greek word "maios," meaning "greater," reflecting its large size and the fact that it is one of the deepest-living vertebrates known to science.

Maiocus is characterized by its elongated, serpentine body and large, round eyes, which are adapted for low-light conditions. It has a unique bioluminescent organ on its belly, which it uses to communicate with other Maiocus and possibly to attract prey. The fish is also notable for its slow metabolism and long lifespan, which are adaptations to the extreme pressure and cold of the hadal zone.

Despite its fascinating adaptations, Maiocus is currently classified as Data Deficient by the IUCN Red List due to a lack of information about its population size and status. Further research is needed to better understand this mysterious species and its role in the deep-sea ecosystem.