Ou River (Zhejiang) two alien species (Mozambique tilapia and largemouth bass); however, 34 species recorded in 1972 were absent in 2010, and overall fish density was lower. Goby "Pseudorhinogobius aporus" is endemic to the Ou River system: it is only known from a brook in the upper Ou River system. Ou River (Zhejiang) The Ou River () or Oujiang is the second-largest river in the Zhejiang province of eastern China. The river flows before finally reaching the city of Wenzhou and emptying into the East China Sea, into which it discharges of water annually. Shen Jiang (), Jiang Yongjia (), and Wenjiang ()
Ou (surname) Ou (surname) Ou is the pinyin romanization of the Chinese surnames / and /, which share a common origin with the compound surname Ouyang (), from the ruling family of the State of Yue during the Spring and Autumn period. They are commonly romanized as Au or Ao in Cantonese. Ou 欧 is listed 361st in the Song dynasty classic text "Hundred Family Surnames". As of 2008, Ou 欧 is the 134th most common surname in China, shared by 1.13 million people. Most recently, by using the 2010 China census data and statistical analysis data that included random sampling from