Image 1. Batasio merianiensis, UMMZ 248780, 75.7mm SL; dorsal, lateral and ventral views.

Figure 1. Batasio merianiensis: illustration of the holotype from Chaudhuri (1913: Pl. 9, Fig. 1).

Table 1. Biometric data for Batasio merianiensis (n=21)

	Holotype	Range	Mean±SD
%SL
Predorsal length	38.8	36.6–40.5	37.7±1.31
Preanal length	67.9	66.3–68.2	67.4±0.60
Prepelvic length	50.2	47.6–51.3	49.9±1.13
Prepectoral length	22.5	21.4–25.7	23.1±1.25
Length of dorsal-fin base	14.8	14.8–17.3	16.2±0.78
Dorsal-spine length	16.6	13.5–16.7	15.2±0.93
Length of anal-fin base	13.5	13.0–18.0	15.2±1.29
Pelvic-fin length	16.9	12.3–16.9	13.9±1.35
Pectoral-fin length	19.1	15.4–19.1	17.2±1.10
Pectoral-spine length	16.3	12.2–16.3	13.9±1.07
Caudal-fin length	Damaged	21.2–25.0	22.6±1.06
Length of adipose-fin base	22.2	16.9–22.2	19.7±1.55
Dorsal to adipose distance	13.9	13.9–17.4	15.9±1.00
Post-adipose distance	14.3	13.4–15.5	14.3±0.69
Caudal peduncle length	17.7	16.4–19.5	17.5±0.85
Caudal peduncle depth	10.5	9.7–11.9	10.7±0.65
Body depth at anus	17.4	15.2–18.4	16.8±1.05
Head length	24	24.0–26.5	25.6±0.63
Head width	15.2	13.5–16.2	15.2±0.77
Head depth	17.2	16.3–19.3	17.3±0.96
%HL
Snout length	39.2	36.7–40.9	38.5±1.22
Interorbital distance	25.9	25.9–31.5	29.1±1.58
Eye diameter	25.9	18.3–25.9	21.5±1.52
Nasal barbel length	25.9	9.4–25.9	16.2±4.12
Maxillary barbel length	52.5	36.8–54.5	46.4±5.74
Inner mandibular barbel length	10.8	8.4–13.3	11.4±1.68
Outer mandibular barbel length	14.6	14.3–23.2	18.5±2.88