Arius arius (Hamilton, 1822)

(fig. 9)

Pimelodus arius ^ZBK Hamilton, 1822: 170, 376. Type locality: Bengal estuaries. No types known.

Arius falcarius ^ZBK Richardson, 1845: 134, pl. 62 (figs. 7-9). Type locality: Canton, China. Syntypes: BMNH (apparently lost).

Bagrus crinalis ^ZBK Richardson, 1846: 282. Type locality: Canton, China. No types known.

Pimelodus mong ^ZBK Richardson, 1846: 286. Type locality: Canton, China. No types known.

Arius cochinchinensis ^ZBK Günther, 1864: 170. Type locality: Cochinchine. Holotype: BMNH (not seen).

Arius boakeii ^ZBK Turner, 1867: 82. Type locality: Sri Lanka. Syntypes: BMNH 1866.7.11.1, NMSZ 1987.030.

Arius buchanani ^ZBK Day, 1877: 463, pl. 105 (fig. 6). Type locality: Hooghly channel, Calcutta, India; Irrawaddy, Myanmar. Syntypes: ZSI 456, 1302 (1 lost) .

Distribution: South and southeast Asia.

Countries: Pakistan, India, Sri Lanka, Bangladesh, Thailand, Indonesia, Singapore and China.

Habitat: Predominantly brackish waters.

Maximum size: 340 mm TL.

Material examined: ANSP 60717 (1 al, 150 mm TL), Thailand, Bangkok, Siam; ANSP 106800 (4 al, 41- 190 mm SL), Baram, north Borneo, Indonesia; CAS 131523 (4 al, 87-108 mm TL) (1 c&s), India, Karalla state, Kozhihode, Calicut, research station; LACM 38129-95 (3 al, 126-142 mm TL) (1 c&s), Pakistan, Sind, WNW of mouth of Korangi .