Ichthyofauna of Sungai Merbok Mangrove Forest Reserve, northwest Peninsular Malaysia, and its adjacent marine waters Author Zainal Abidin, Danial Hariz Author Lavoué, Sébastien Author Mohd Abu Hassan Alshari, Norli Fauzani Author Mohd. Nor, Siti Azizah Author A. Rahim, Masazurah Author Mohammed Akib, Noor Adelyna text Check List 2021 2021-04-06 17 2 601 631 http://dx.doi.org/10.15560/17.2.601 journal article 10.15560/17.2.601 1809-127X Brevitrygon walga (Müller & Henle, 1841) Figure 2A Material examined. MALAYSIA1 ♂ , 160 mm disc width (DW), tail missing; Kedah State , Kuala Kedah , Kuala Muda Whispering Market ; 05.578°N , 100.341°E ; 6 Dec. 2018 ; Danial H. Zainal Abidin , Norli F.M.A.H. Alshari leg.; USMFC (1) 00003 . Identification. A small species of dasyatid (maximal disc width less than 180 mm ); snout elongate, forming a projecting tip; anterior disc margins slightly concave; eye small; large band of compact denticles running along centre of the disc to the tail sting; dorsal surface of the disc light grey-brown, paler on margins, ventral side of the disc white ( Carpenter and Niem 1999a ). Brevitrygon walga can be distinguished from all other stingrays occurring in this region by its large band of compact denticles running along centre of disc. A common coastal species in Southeast Asia regularly occurring in brackish environments. Generic classifica- tion follows Last et al. (2016) ; this species was previously classified in the genus Himantura (e.g., Weigmann 2011 ).