Trait;"O. daqikongensis sp. n.";"O. acridorsalis";"O. barbatus";"O. elongatus";"O. translucens" No.;15;5;8;3;3 "Locality of collection";"Daqikong area, Libo County, Guizhou";"Tian’e County, Guangxi";"Nandan County, Guangxi";"Huangjiang County, Guangxi";"Duan County Guangxi" "Dorsal fin rays";"iii, 8–9";"iii, 7";"iii, 8–10";"iii, 8–9";"iii, 8" "Anal fin rays";"iii, 6";"iii, 5";"ii, 5–6";"ii, 6–7";"iii, 6" "Pectoral fin rays";"i, 11–12";"i, 10–12";"i, 10–12";"i, 10";"i, 11" "Pelvic fin rays";"i, 6–7";"i, 5–6";"i, 6";"i, 6";"i, 6" "Caudal fin branched rays";13–14;13–14;14;14;16 "Pectoral fin rays";"Pectoral fin extend to or beyond the origin of the ventral fins";"Pectoral fin Fan-shaped, extend to half of the distance between origins of pectoral fin and ventral fin";"Pectoral fin extend to approx. two thirds of the distance between origins of pectoral fin and ventral fin";"Pectoral fin long and narrow, greater than 1/2 the distance between origins of pectoral and pelvic fins";"Pectoral fin long and narrow, almost reaching pelvic-fin origin" "Pelvic fin rays";"The first and second branched rays of ventral fin are long, but do not form a spiny shape";"Pelvic fin is shorter, origin is ahead of dorsal fin origin, extend, but cannot reach anus";"Pelvic fin Origin is opposite to the dorsal fin origin, extend but cannot reach the anus";"Pelvic fin relatively slender, extending slightly over anus";"Pelvic fin extending slightly beyond anus." "Anal fin rays";"Anal fin extend to reach half between the anal fin base and caudal fin base";"Anal fin truncated outer edge";"Anal fin truncated or slightly convex outer edge";"Anal fin origin next to anus, tip nearly reaching middle of caudal peduncle";"Anal-fin origin just posterior to anus" "Lateral line";"Lateral line is subcutaneously buried completely, which in the head has three branches";"No lateral line in the body, lateral line in the head is not well-developed";"No lateral line in the body, lateral line in the head is not well-developed";"Lateral line incomplete, with 4 pores behind opercle, connecting to the cephalic lateral-line system.";"Lateral line incomplete, with only 3 or 4 lateral pores behind head." Eyes;Absent;Absent;Absent;Absent;Absent