Table 4.

Comparison of traits between Oreonectes daqikongensis sp. n. and similar species of Oreonectes.

Trait	Oreonectes daqikongensis	Oreonectes shuilongensis	Oreonectes platycephalus
No. of specimens	15	16	4
Location	Libo, Guizhou	Sandu, Guizhou	Zhaoping, Guangxi
Dorsal fin rays	iii, 8–9	iii, 7–8	iii, 6–7
Anal fin rays	iii, 6	iii, 6	iii, 5
Pectoral fin rays	i, 11–12	i, 11–12	i, 10
Pelvic fin rays	i, 6–7	i, 6	i, 6–7
Anterior nostril	Anterior nostril in short tubular structure, which is obliquely cut tube	Anterior nostril in short tube extending into relatively long barbel, beyond posterior edge of eye	Anterior nostril in short tube extending into relatively long barbel, beyond edge of posterior nostril
Lateral line	Lateral line is subcutaneously buried completely, which in the head has three branches	Lateral line incomplete, terminates above pectoral fin; 8–10 pores	Lateral line incomplete, terminates above pectoral fin
Caudal fin	caudal fin is forked	Truncated or slightly concave	Rounded
Body color	The whole body of the living species is pale pink and translucent	Top of head and body gray and black in fresh condition; grayish in dorsum and body light brown after preservation in alcohol; fins transparent	In formaldehyde, body light brown; dorsum and side of body with irregular dark gray; dark brown horizontal stripe at end of caudal fin; fins without stains