Lake Shinji is connected to the Sea of Japan via Nakaumi Lagoon, and as a result is made up of brackish water of good quality, which adds to the abundance of aquatic life, such as whitebait, eel, sea bass, and the most famous Lake Shinji delicacy, the Shijimi clam (Corbicula japonica).
The connection between Lake Shinji and the Sea of Japan through Nakaumi Lagoon creates brackish water with good quality, which fosters a diverse aquatic life. This includes species like whitebait, eels, sea bass, and the renowned Shijimi clam.