About Opsariichthys bidens Günther, 1873
Opsariichthys bidens, commonly known as the Chinese hooksnout carp, is a species of freshwater fish that belongs to the family Xenocyprididae. This species is endemic to fast-flowing streams and rivers across East Asia, including China, Japan, North Korea, South Korea, and Russia, as well as mainland Southeast Asia, including Laos and Vietnam. It is a mid-sized minnow, with a maximum recorded length of 21.9 centimetres (8.6 inches) and a maximum published weight of 58.4 grams (2.06 ounces). It exhibits sexual dimorphism in which males grow to a larger size than females.
