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 Reang Ov District from Kampong Cham or Prey Veng town. Ou Reang Ov is a long narrow district located in southern Tboung Khmum. A large rubber plantation covers the northern part of the district. Ou Reang Ov town lies on National Highway 11 which runs from Neak Leung in Prey Veng province to an intersection with National Highway 7 at Thnal Totoung in Tboung Kmom District. Ou Reang Ov district lies in the southwestern region of Tboung Khmum Province, sharing a border with Prey Veng Province to the south and Kampong Cham to the west. Reading from the north clockwise, Ou Reang Ov