World Animal Encyclopedia: Explore the Wonders of Nature Together

In the “lungs of the Earth”—the vast, mysterious, and humid Amazon Rainforest—winding rivers meander, ancient trees tower, and one of the world’s most awe-inspiring creatures lurks: the Amazon Anaconda. A legendary giant, star of countless adventure stories and horror films, it embodies power and mystery.

In the eternal darkness 7,000 meters below the surface of the Mariana Trench in the Pacific Ocean, a ghostly silhouette performs its elegant solo dance that has lasted for millions of years. Its bell, like an exquisitely crafted glazed vessel, exceeds one meter in diameter yet is as thin as a cicada’s wing, nearly transparent

Throughout the long history of biological exploration, humans have described millions of species, yet some creatures remain like phantoms of nature, hidden in the corners of the world. The Ghost Slug (Selenochlamys ysbryda), a rare and enigmatic terrestrial slug, is one such species. Far from a mythological figure, it is a real mollusk that inhabits