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FIGURE 5. Nemacheilus olivaceus, ZRC 45453, 55.4 in Nemacheilus marang, a new loach (Teleostei: Nemacheilidae) from Sangkulirang karst, eastern Borneo

FIGURE 5. Nemacheilus olivaceus, ZRC 45453, 55.4 mm SL; Borneo: Sabah: Danum Valley (photograph by Tan Heok Hui).

FIGURE 4 in Nemacheilus marang, a new loach (Teleostei: Nemacheilidae) from Sangkulirang karst, eastern Borneo

FIGURE 4. Nemacheilus marang; a, holotype, MZB 13301, 38.9 mm SL, head, lateral view; b, MZB 13306, 44.6 mm SL; mouth, ventral view.

FIGURE 3. Nemacheilus marang, CMK 18908 in Nemacheilus marang, a new loach (Teleostei: Nemacheilidae) from Sangkulirang karst, eastern Borneo

FIGURE 3. Nemacheilus marang, CMK 18908, paratype, 49.6 mm SL; Indonesia: Kalimantan Timur: Sungai Marang.

FIGURE 2. Nemacheilus marang, MZB 13301 in Nemacheilus marang, a new loach (Teleostei: Nemacheilidae) from Sangkulirang karst, eastern Borneo

FIGURE 2. Nemacheilus marang, MZB 13301, holotype, 38.9 mm SL; Indonesia: Kalimantan Timur: Sungai Marang.

FIGURE 1 in Nemacheilus marang, a new loach (Teleostei: Nemacheilidae) from Sangkulirang karst, eastern Borneo

FIGURE 1. Sangkulirang Peninsula, Kalimantan Timur, Borneo, showing location of Sungai (river) Marang, in Bengalon drainage (above) and collecting sites of Nemacheilus marang in Sungai Marang (below). 1, Tepian Langsat village (type locality); 2, mouth of Sungai Marang; and 3, Sungai Jelai.

FIGURE 8 in Nemacheilus marang, a new loach (Teleostei: Nemacheilidae) from Sangkulirang karst, eastern Borneo

FIGURE 8. Nemacheilus longipectoralis, MZB uncat., 35.0 mm SL; Borneo: Kalimantan Timur: Mahakam drainage; pectoral fin oriented perpendicular to fish, appearing shorter.

FIGURE 1. Physoschistura tigrinum, n in A new loach of the genus Physoschistura Bănărescu & Nalbant (Teleostei: Nemacheilidae) from Chindwin basin, Manipur, India

FIGURE 1. Physoschistura tigrinum, n. sp.: lateral aspect of (A) holotype, MUMF 11051, 73.6 mm SL, male; (B) paratype, MUMF 11053, 73.2 mm SL, female; (C) dorsal aspect of holotype.

FIGURE 3 in A new loach of the genus Physoschistura Bănărescu & Nalbant (Teleostei: Nemacheilidae) from Chindwin basin, Manipur, India

FIGURE 3. Air bladder of (A) Physoschistura tigrinum and (B) P. prashadi showing free posterior chambers.

FIGURE 5 in Schistura tenebrosa, a new species of loach from the Kwai Noi River system, Mae Khlong basin, Thailand (Teleostei: Nemacheilidae)

FIGURE 5. Distribution of Schistura tenebrosa. Black dots represent localities for specimens examined.

FIGURE 6 in Schistura tenebrosa, a new species of loach from the Kwai Noi River system, Mae Khlong basin, Thailand (Teleostei: Nemacheilidae)

FIGURE 6. Habitat of Schistura tenebrosa. Pakkok River, 14º36'22' N, 98º28'14" E, Kanchanaburi Prov., 5 December 2009.

FIGURE 2 in Schistura tenebrosa, a new species of loach from the Kwai Noi River system, Mae Khlong basin, Thailand (Teleostei: Nemacheilidae)

FIGURE 2. Midlateral view of Schistura tenebrosa, UF 181420, 45.9 mm SL. Scale bar = 1 mm. Lateral-line pores at left have supplementary neuromasts that continue in clusters beyond the end of the lateral line.

FIGURE 1 in Schistura tenebrosa, a new species of loach from the Kwai Noi River system, Mae Khlong basin, Thailand (Teleostei: Nemacheilidae)

FIGURE 1. Schistura tenebrosa. (A) UF 181417, holotype, 45.1 mm SL, lateral, ventral and dorsal views; (B) UF 181418, paratype, 33.2 mm SL, lateral view. Scale bars = 10 mm.

FIGURE 2 in Description of a new species of the genus Yunnanilus Nichols, 1925 (Teleostei: Nemacheilidae) from Yunnan, China

FIGURE 2. Lateral and ventral views of head of Yunnanilus niulanensis, sp. nov., holotype, KIZ20060285, 55.3mm SL. an, anterior nostril; irb, inner rostral barbel; ll, lower lip; mb, maxillary barbel; pn, posterior nostril; orb, outer rostral barbel; up, upper lip.

FIGURE 3 in Description of a new species of the genus Yunnanilus Nichols, 1925 (Teleostei: Nemacheilidae) from Yunnan, China

FIGURE 3. Map of partial Yunnan, Guizhou and Sichuan, China. Triangle (˔) indicating the distribution of Yunnanilus niulanensis, sp. nov. in Songming County, Yunnan Province, China.

FIGURE 1 in Description of a new species of the genus Yunnanilus Nichols, 1925 (Teleostei: Nemacheilidae) from Yunnan, China

FIGURE 1. Lateral, dorsal and ventral views of Yunnanilus niulanensis, sp. nov., holotype, KIZ20060285, 55.3mm SL; Yanglinhe River, 25°14′34.0″ N; 103°03′53.3″E (altitude: 1909m), which belongs to one of the upper reaches of the Niulanjiang River, in Yanglin Town, Songming County, Yunnan Province, China.

FIGURE 2 in Acanthocobitis pictilis, a new species of loach from Myanmar and Thailand (Teleostei: Nemacheilidae)

FIGURE 2. Acanthocobitis pictilis, lateral view of head; a, CMK 17509, 69.6 mm SL, male showing suborbital slit; b, MHNG 2727.066, 71.8 mm SL, holotype, female showing a suborbital fold.

FIGURE 1 in Acanthocobitis pictilis, a new species of loach from Myanmar and Thailand (Teleostei: Nemacheilidae)

FIGURE 1. Acanthocobitis pictilis; Myanmar: Ataran drainage; a, CMK 17777, 56.6 mm SL; b, MHNG 2727.066, holotype, 71.8 mm SL.

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FIGURE 3. A in A new species of Physoschistura (Pisces: Nemacheilidae) from northern Thailand

FIGURE 3. A) Ventral view of head of Physoschistura chulabhornae, MARNM 3999/7, 32.37 mm SL; B) lateral view of head of Physoschistura chulabhornae. showing suborbital flap of male, MARNM 3999/20, 30.03 mm SL.

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FIGURES 4–5. 4 in A new species of Physoschistura (Pisces: Nemacheilidae) from northern Thailand

FIGURES 4–5. 4. Free posterior chamber of air bladder of Physoschistura chulabhornae. Scale bar 1 mm. 5. Stomach and loop of intestine of Physoschistura chulabhornae. Scale bar 1 mm.