Discover the fascinating world of the Elegant-spined Atlantic Spiny-rat (*Proechimys semispinosus*), a unique arboreal creature native to the coastal rainforests of Central and South America. Learn about its striking physical characteristics, nocturnal behavior, and vital role in seed dispersal that supports biodiversity in its ecosystem. Despite its "Least Concern" conservation status, habitat loss poses a significant threat, making ongoing monitoring essential for its preservation.