Misgurnus anguillicaudatus, commonly known as the Japanese eel loach, is a freshwater fish native to East Asia. It typically inhabits muddy or sandy substrates in rivers, ponds, and rice fields. This species is known for its elongated, snake-like body and can grow up to 25 centimeters in length. The Japanese eel loach is a bottom-dwelling fish that feeds on small invertebrates and organic matter. It is often found in groups and is known for its ability to breathe air, allowing it to survive in low-oxygen environments. This adaptability makes it a resilient species in various aquatic habitats.