Arius gagora (Hamilton, 1822)
Pimelodus gagora ZBK Hamilton, 1822: 167, 376, pl. 10 (fig. 54). Type locality: Bengal estuaries. No types known.
Arius macracanthus ZBK Günther, 1864: 167. Type locality: Thailand. Holotype: BMNH 1862.11.222.
Distribution: South and southeast Asia.
Countries: India, Bangladesh, Myanmar and Thailand.
Habitat: Brackish and freshwaters.
Maximum size: 1.000 mm TL.
Material examined: UMMZ 187892 (4 al, 147-175 mm TL) (1 c&s), Bangladesh, Comilla, Meghna River, Chandpu .