Clarias olivaceus: ANSP 27280, holotype, 241.8 mm SL; ANSP 27281, 3 paratypes, 157.5-209.5 mm SL; Sumatra: Padang . CAS 108051, 1 ex., 216.0 mm SL; USNM 193033, 9 ex., 113.0-149.8 mm SL; Sumatra: Lake Toba at Prapet . ZRC 41697, 8 ex., 116.2-231.7 mm SL; Sumatra: Jambi province, Kerinci, Sungaipenuh market .