Ryujin (竜神), also known as Ryūjin or Ryūgū-jō, is a powerful dragon god in Japanese mythology and Shinto religion, often associated with the sea and water. The name Ryujin translates to "Dragon God" in English and can be translated to Hebrew as אל תנין (El Tanin). In Chinese, it is known as Lóngshén (龙神), and in Korean, it is referred to as Yongsin (용신). Ryujin is depicted as a serpentine or dragon-like creature, residing in the underwater dragon palace called Ryūgū-jō, which is said to be located in the Pacific Ocean. He is considered a benevolent deity who controls the oceans and seas, and is often invoked for protection against storms and other maritime dangers. Ryujin is also associated with the creation of pearls and is sometimes depicted holding a magical pearl or jewel. In Japanese folklore, Ryujin is often depicted with a human upper body and a dragon-like lower body, and is accompanied by various sea creatures and other mythological beings. He is also known to have a daughter, Otohime, who plays a significant role in some Japanese folktales.