188 
longipinnis for us and provided translations of Ahl’s description of their 
colour patterns. Dr. Maurice Kottelat provided valuable suggestions as a third 
party reviewer. Permission from Taman Nasional Gunung Leuser and Leuser 
Management Unit to conduct studies in the Suaq Balimbing Research Station 
is gratefully acknowledged. We also thank the Photography Unit of the 
Natural History Museum, London for photographs and Abdul Mun’im for 
dedicated assistance with fieldwork. 
REFERENCES 
Ahl, E. 1922. Einige neue Suesswasserfische des Indo-Malayischen Archipels. 
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Chin, P.K. & Samat, A. 1992. A new loach, Nemacheilus elegantissimus, (family 
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Table 1 Morphometric and meristic data for Nemacheilus tuberigum 
sp.nov., n = 28 for paratypes; measurements follow Kottelat (1984). 
Holotype _ Paratypes x s.d. 
Standard length 48.5 31.9-53.4 
Total length 122.1 121.1-127.7 
As % standard length 
Lateral length of head PYM 20.3-24.8 ped 0.96 
Dorsal length of head 18.6 16.8-20.9 19.2 0.91 
Predorsal length 48.7 47.0-52.0 49 1.36 
Prepelvic length ay? 47.9-52.8 50.4 1.20 
Preanal length 75.4 73.0-78.5 Toa 1.47 
Preanus length 69.2 65.1—73.3 69.4 2.11 
Head height (at eye) 9.6 9.2-11.2 10.15 0.42 
Body height (at nape) 12.2 11.9-14.5 12.8 0.58 
Body height (at dorsal origin) 17.9 15.1-22.3 18.0 ile7/s) 
Height of caudal peduncle 10.8 10.6-11.9 11.3 0.33 
Length of caudal peduncle 14.1 13.1-16.4 14.8 0.74 
Snouth length 8.8 7.8-9.8 8.7 0.51 
Head width (at nares) 4.8 4.5-5.5 5.0 0.22 
Maximum head width 12.9 12.0-14.5 el 0.67 
Body width (at dorsal origin) 12.1 10.0-16.3 15.9 1.55 
Body width (at anal origin) 6.8 6.8-8.4 24.4 0.38 
Eye diameter 5.0 2.3-6.3 5.0 0.66 
Interorbital width 6.3 6.3-7.9 Ta! 0.37 
Height of dorsal fin 15.2 12.3-20.1 15.9 2.03 
21.0-28.5 24.4 ISIS) 
22.0-26.6 23.6 C77) 
16.0-19.8 NS) 1.09 
Length of upper caudal lobe 21.9 
Length of lower caudal lobe 24.1 
Length of median caudal ray 16.8 
Length of anal fin 17.4 15.4-18.2 16.8 0.75 
Length of pelvic fin 15.0 14.8-17.0 15.9 0.65 
Length of pectoral fin 16.6 15.7-20.8 17.8 1.25 
As % dorsal head length 
Lateral length of head 118.7 111-128 118 4.52 
Head height at eye 51.9 47.5-58.1 52.9 2.30 
Head width at nares 26.0 23.3-28.1 26.1 1.61 
Maximum head width 69.3 60.8-76.5 68.1 4.88 
Eye diameter D2 23.9-29.9 26.5 1.48 
Interorbital width 34.1 32.2-43.1 36.9 2.31 
C. peduncle : Length/height 153 1.1-1.4 le) 0.11 
D. fin rays(simple/branched) 4/9 4/9 
Caudal fin rays 9+8 9+8 
A. fin rays (simple/branched) 3/5 3/5 
Ventral fin rays 8 8 
Pectoral fin rays 1] 1] 
Lateral line pores 82 76-90 

R.K. HADIATY AND D.J. SIEBERT 
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