Siniperca chuatsi, the mandarin fish or Chinese perch (not to be confused with the mandarinfish), is species of temperate perch native to the Amur River basin and other rivers in China. Its back is yellow, green, or brown, with many irregular black spots and patches. It has a big mouth and small round scales. This species can reach 70 cm (28 in) TL, and the greatest recorded weight for this species is 8 kg (18 lb).