Red Body Tonkin Bitterling (Acheilognathus tonkinensis “Red Body”) – Vibrant Freshwater Jewel Cobitis sinensis This peaceful species grazes on

This peaceful species grazes on biofilm and detritus and is well-suited to clean

Flow & Oxygen: Strong unidirectional flow (~10× turnover/hour) and high aeration are essential

Temperature: 22

Weekly partial water changes (20–30%) recommended to maintain clarity and oxygen levels

Hemimyzon pengi

Red Body Tonkin Bitterling (Acheilognathus tonkinensis “Red Body”) – Vibrant Freshwater Jewel Cobitis sinensis This peaceful species grazes onThe Red Body Tonkin Bitterling is a striking freshwater fish native to the river systems of northern Vietnam and southern China. Known for its vivid red body contrasting with delicate fins, this peaceful species brings a splash of color to planted aquariums. Its fascinating reproductive cycle involves laying eggs inside freshwater mussels, where the young safely develop before swimming freely. Features Size: Typically grows to about 7 cm (2. 7 inches)