Tariqilabeo, Mirza & Saboohi, 1990

Key to species of Tariqilabeo

1a) Triangular rostral flaps on anterolateral region of snout, on each side of head........... T. bicornis (Salween River, China)

1b) Rostral flaps absent.................................................................................... 2

2a) Body size> 65 mm SL, with tubercles on head, humeral, breast, and predorsal regions.............................. 3

2b) Body size> 65 mm SL) without tubercles.................................................................. 4

3a) 15–17 rakers on first gill arch, tubercles only on cheek and snout................... T. periyarensis (Periyar River, India)

3b) 20–24 rakers on first gill arch, tubercles on head (usually on cheek and snout), occasionally extending onto humeral, breast, and predorsal regions............................................... T. wattanah (Bhima and Godavari Rivers, India)

4a) Midlateral stripe thick, covering entire midlateral scales, partially covering scales above and below; dorsolateral spots, if present, forming uniform reticulated pattern; crescent-shaped spot on 5 th and 6 th lateral-line scales, extending onto anterior halves of scales above, and below lateral line......... T. burmanicus (Irrawaddy and Salween Rivers, India and Myanmar)

4b) Midlateral stripe absent; If present, thin, less than one scale wide; dorsolateral spots, if present, forming irregular reticulated pattern; crescent-shaped spot occasionally present on 5 th and 6 th lateral-line scales.................................. 5

5a) Total lateral-line scales 39–41; restricted to rivers draining into the Bay of Bengal...................................... T. latius View in CoL (Ganges, Brahmaputra, Meghna, Subarnarekha, and Mahanadi Rivers— India, Nepal, Bhutan, and Bangladesh)

5b) Total lateral-line scales 35–38; restricted rivers draining into the Arabian Sea and the Gulf of Oman, and inland endorheic basins in Afghanistan and Iran........................................................................... 6

6a) Rostral fold without fringes.............................................. T. macmahoni View in CoL (Dasht River— Pakistan)

6b) Rostral fold with fringes................................................................................ 7

7a) No colour spot on operculum; snout slightly longer than postorbital length........................................ T. diplochilus (Indus, Sistan, and Helmand Rivers; coastal drainages of Gulf of Oman — Iran, Afghanistan, India and Pakistan)

7b) Silvery spot on operculum; snout slightly shorter than postorbital length. T. iranicus (coastal drainages of the Gulf of Oman, Iran, Jagin and Gabrik Rivers— Iran)