Thryssocypris wongrati, a new anchovy-like cyprinid (Cypriniformes) from the Chao Phraya basin, Thailand Author Grudpan, Chaiwut Department of Fisheries, Faculty of Agriculture, Ubon Ratchathani University, Warin Chamrab, Ubonrachathani, Thailand 34190 E-mail: chaiwut @ agri. ubu. ac. th Author Grudpan, Jarungjit Department of Fisheries, Faculty of Agriculture, Ubon Ratchathani University, Warin Chamrab, Ubonrachathani, Thailand 34190 E-mail: chaiwut @ agri. ubu. ac. th & E-mail: jarungjit @ agri. ubu. ac. th text Zootaxa 2012 2012-12-14 3586 228 235 journal article 1175-5326 78F4CD1D-6D19-4EA1-9AE0-13C3D06FBD24 Key to species of Thryssocypris 1a. Origin of dorsal fin over or in front of origin of anal fin, 14–15 circumpeduncular scales........ Thryssocypris smaragdinus 1b. Origin of dorsal fin behind origin of anal fin, 16–17 circumpeduncular scales...................................... 2 2a. 37–40 lateral-line scales....................................................... Thryssocypris wongrati sp. nov. 2b. 42–46 lateral-line scales................................................................................ 3 3a. Black spot on caudal-fin base, hyaline caudal fin with black on proximal portion of medial caudal-fin rays............................................................................................. Thryssocypris tonlesapensis 3b. No dark spot on caudal-fin base, yellowish caudal fin without black on medial rays........... Thryssocypris ornithostoma