Garra tengchongensis Zhang & Chen

(Figs. 3B and 11)

Garra kempi: Chu & Cui 1987: 96 (Daying-jiang and Longchuan-jiang drainages); Chu & Cui 1989: 277 –278 (Tengchong and Lianghe, Yunnan, China) [Longchuan-jiang drainage]; Chen 1998: 177 –178 (Qushi and Gudu in Tengchong, Yunnan, China) [Longchuan-jiang drainage]; Zhang et al. 2000: 244–245 (Tengchong, Yunnan, China) [Longchuang-jiang and Daying-jiang drainages].

Garra tengchongensis Zhang & Chen 2002: 459 –464 (Tengchong, Yunnan, China) [Daying-jiang, Upper Irrawaddy River Basin]; Chen 2013: 311 (Longchuang-jiang and Daying-jiang drainages).

Material examined. SWFC 0 102121, 0 102149, 0 102150, 3 ex., 63.9–72.8 mm SL ; Yunnan: Tengchong City: Qushi, Longchuan-jiang, an upper tributary of the Irrawaddy River; SWFC 0108024–0108026, 0 108028, 4 ex., 58.6–60.1 mm SL , Yunnan: Tengchong City: Beihai (= Daju), Daying-jiang, an upper tributary of the Irrawaddy River; SWFC 0 204362, 0 204363, 2 ex., 62.2–76.6 mm SL , Yunnan: Tengchong City: Mangbang, Longchuanjiang, an upper tributary of the Irrawaddy River; SWFC 0411282–0411290, 9 ex., 62.4–78.5 mm SL ; Yunnan: Longchuan: Laoliang, Nanwan-he (an upper tributary of Ruili-jiang), an upper tributary of the Irrawaddy River; SWFC 0411297–0411298, 2 ex., 95.8– 69.9 mm SL ; Yunnan: Zhanxi: Daying-jiang, an upper tributary of the Irrawaddy River; SWFC 1207001–1207011, 1207013–1207015, 1301001–1301005, 19 ex., 47.6–81.0 mm SL ; Yunnan: Tengchong City: Datang, Longchuan-jiang, an upper tributary of the Irrawaddy River; KIZ 2014005089– 22014005104, 16 ex., 57.4–85.6 mm SL ; Yunnan: Yingjiang: Zhina: Zhidong, Daying-jiang, an upper tributary of the Irrawaddy River; KIZ 2006011195–2006011209, 15 ex., 75.4–84.2 mm SL ; Yunnan: Tengchong City: Beihai: shuangpo, Daying-jiang, an upper tributary of the Irrawaddy River .

Diagnosis. Garra tengchongensis can be easily distinguished from its congeners with a proboscis in the Irrawaddy River and Salween River basins by its smooth snout. Garra tengchongensis can be further differentiated from congeners with a smooth snout in the Irrawaddy River and Salween River basins by the combination of the following characters: two pairs of barbels (vs. no barbels in G. nujiangensis); 12 circumpeduncular scales (vs. 16 in G. chakpiensis, G. nambulica, G. namyaensi, G. poecilura, G. spilota and G. ukhrulensis); 36–39 lateral scales (vs. 33–35 in G. abhoyai; 38–40 in G. chakpiensis; 34 in G. nambulica, and G. notata; 31 in G. namyaensi; 29 in G. poecilura; 30–31 in G. spilota; 40–41 in G. ukhrulensis).

Distribution. The species occurs in the Daying-jiang and Longchuan-jiang, both tributaries of the Irrawaddy River basin in west Yunnan, China.

Remark. The specimens from the Daying-jiang and Longchuan-jiang in west Yunnan were identified as G. kempi by Chu & Cui (1987, 1989). Zhang & Chen (2002) separated them from G. kempi and described a new species, G. tengchongensis . Garra tengchongensis can be distinguished from G. kempi by having the combination of the following characters: cylindrical anterior body (vs. depressed); a smaller mental adhesive disc, disc length 36.1–51.3% head length (vs. a large disc, disc length 42.9–50% head length) (Zhang & Chen 2002); a blunt snout (vs. broadly rounded); individuals smaller, adult standard length usually shorter than 10 cm and a few longer than 10 cm (vs. body larger, stand length in most adults longer than 10 cm).