Table 3.

Morphological characters examined in the present study.

Morphological characters	Abbreviation
Adipose fin to caudal peduncle length	AD-CPL
Adipose-fin base length	ADFBL
Adipose-fin height	ADFH
Anal-fin base length	ANFBL
Anal-fin length along longest ray	ANFL
Anterior nare interspace	ANI
Body depth at anus	BDA
Body depth at dorsal-fin insertion	BDDF
Caudal fork length	CFKL
Caudal peduncle depth	CPD
Caudal peduncle length	CPL
Dorsal fin to adipose fin length	DF-ADFL
Dorsal-fin base length	DFBL
Dorsal-fin length along longest ray	DFL
Dorsal-spine length	DSL
Eye diameter (horizontal axis)	EDH
Eye diameter (vertical axis)	EDV
Head depth	HD
Head length to opercular membrane margin	HL
Lateral mandibular barbel length	LMBL
Length of post-cleithral process	LCP
Lower caudal-fin lobe length	LCFL
Lower lip length	LLL
Mandibular tooth row width	MTRW
Maxillary barbel length	MXBL
Medial mandibular barbel length	MMBL
Mouth width	MW
Occipital shield width	OSW
Oral disc length	ODL
Oral disc width	ODW
Orbital interspace	OBI
Pectoral-fin length	PFL
Pectoral-spine length	PSL
Pelvic-fin interspace	PVI
Pelvic-fin length	PVFL
Post-cleithral process to occipital shield length	CP-OSL
Posterior nares interspace	PNI
Pre-anal length	PANL
Pre-dorsal length	PDL
Pre-maxillary tooth-patch length	PMXL
Pre-maxillary tooth-patch width	PMXW
Pre-pectoral length	PPTL
Pre-pelvic length	PPVL
Snout length	SNL
Standard length	SL
Total length	TL
Upper caudal-fin lobe length	UCFL
Upper lip length	ULL
Width at pectoral-fin insertion	WPTFI
Abdominal vertebrae	–
Anal fin-ray count	–
Caudal vertebrae	–
Dorsal fin-ray count	–
Mandibular tooth count	–
Pectoral fin-ray count	–
Pelvic fin-ray count	–
Pre-maxillary tooth count	–
Total vertebrae	–