About Abbottina rivularis (Basilewsky, 1855)
Abbottina rivularis (Basilewsky, 1855) has eight dark spots along its lateral line and many black dots on its caudal fin. When individuals reach maturity, their total length is generally 4 to 5 centimetres (1.6 to 2.0 inches); the maximum recorded total length for this species is 18.9 centimetres (7.4 inches).
This species inhabits rivers and lakes, and is often found in modified lowland aquatic habitats, including irrigation ditches and ponds connected to rice paddies. It lives in slow-moving, lentic rivers and lakes, where it prefers bottoms made of sand or mud. A. rivularis is native to China and Japan. It has been introduced to the Mekong River basin, and has also been recorded in the Tedzhen River of Turkmenistan.
