The non-native freshwater fishes of Hong Kong: diversity, distributions, and origins Author Chan, Jeffery C. F. Author Tsang, Alphonse H. F. Author Yau, Sze-man Author Hui, Tommy C. H. Author Lau, Anthony Author Tan, Heok Hui Author Low, Bi Wei Author Dudgeon, David Author Liew, Jia Huan text Raffles Bulletin of Zoology 2023 2023-02-22 71 128 168 journal article 10.26107/RBZ-2023-0012 2345-7600 7815765 82C3DAD3-0920-4430-A93D-9F887A58DC1A Hypophthalmichthys molitrix (Valenciennes) ( Fig. 12 , [LU]) Distribution. Shing Mun River, Sandy Ridge Cemetery ( Chan, 2001 ); Kam Tin River (A.C. Lam, pers. comm., 2015); Tai Lam Chung Reservoir (AFCD, 2021c); Ng Tung River, Sheung Yue River (GBIF.org, 2021); Pak Ngau Shek Stream (current survey). Native range. China and Vietnam ( East Asia ). Remarks . Juveniles are regularly stocked (suspected to be from aquaculture) in (unspecified) reservoirs to control algae as they are believed to be incapable of reproducing in Hong Kong’s fresh waters (WSD, 2019).