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 Chrov District ("khum") and 49 villages ("phum"). Ou Chrov District Ou Chrov (, "Deep Ditch") is a district ("srok") in the west of Banteay Meanchey Province in north-western Cambodia. The border town of Poipet is located within the district. Poipet is the district capital and is located around 48.5 kilometres due west of the provincial capital of Sisophon by road. Ou Chrov District is one of the western-most districts of Banteay Meanchey. The district borders on Thailand and Poipet contains a popular international border crossing which is home to numerous casinos. The district can be accessed by road from Sisophon (48 km)