Two new cave-dwelling species of Triplophysa (Cypriniformes, Nemacheilidae) from Guizhou, China Author Zhu, Ting-Ting 0000-0003-4178-2785 School of Life Sciences, Guizhou Normal University, Guiyang 550025, China Author Yuan, Feng-Hua https://orcid.org/0009-0004-5112-0683 School of Life Sciences, Guizhou Normal University, Guiyang 550025, China Author Zhang, Ren-Yi 0000-0002-3647-1416 School of Life Sciences, Guizhou Normal University, Guiyang 550025, China Author Zhao, Ya-Hui 0000-0002-4615-596X State Key Laboratory of Animal Biodiversity Conservation and Integrated Pest Management, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China text ZooKeys 2026 2026-06-03 1281 123 145 journal article 315338 10.3897/zookeys.1281.186268 dbe69cd0-d13d-45cc-9840-03a3c7b03a16 AF3BE807-A4C1-4C5D-B590-4615C27C5124

Table 2. Morphometric data of Triplophysa zhijinensis sp. nov. and Triplophysa dafangensis sp. nov.

	Triplophysa zhijinensis sp. nov.		Triplophysa dafangensis sp. nov.
	Holotype	Range (Mean, SD)	Holotype	Range (Mean, SD)
		(n = 5)		(n = 7)
Total length, mm	91.8	75.1–106.8	85.6	46.6–85.6
SL, mm	74.1	60.7–86.6	73.0	37.6–73.0
HL, mm	17.4	15.4–20.7	18.3	10.0–18.3
In percent SL %
Body height	15.7	13.0–15.7 (14.5, 1.0)	12.9	12.9–15.8 (14.6, 0.9)
Body width	14	11.9–14.0 (12.6, 0.8)	10.9	9.8–12.3 (11.2, 1.0)
Predorsal length	48.8	47.6–51.1 (49.3, 1.5)	53.4	52.5–55.0 (53.8, 0.9)
Dorsal fin length	21.4	19.9–21.4 (20.8, 0.6)	19	18.3–21.4 (20.0, 1.1)
Dorsal fin base length	14.9	11.3–14.9 (12.9, 1.4)	12.9	10.8–12.9 (12.1, 0.7)
Prepelvic length	53.2	51.4–54.3 (52.6, 1.1)	54.9	53.3–55.7 (54.3, 0.8)
Pelvic fin length	17.9	16.4–18.3 (17.5, 0.9)	14.7	14.7–16.6 (15.9, 0.7)
Pelvic fin base length	4.3	3.3–4.3 (3.9, 0.4)	2.9	2.8–4.0 (3.2, 0.4)
Preanal length	74.1	72.6–76.6 (74.3, 1.6)	72.6	72.0–75.8 (73.8, 1.2)
Anal fin length	17.6	15.2–18.6 (17.0, 1.3)	16.4	16.1–17.2 (16.8, 0.4)
Anal fin base length	10.6	7.9–10.6 (9.1, 1.0)	9.9	8.8–11.2 (9.9, 0.8)
Prepectoral length	23.0	23.0–25.8 (24.4, 1.1)	24.3	23.6–28.1 (25.2, 1.6)
Pectoral fin length	21.5	20.4–21.5 (20.8, 0.4)	18.1	18.1–21.7 (20.5, 1.3)
Pectoral fin base length	5.6	5.3–6.4 (5.7, 0.4)	3.9	1.5–4.4 (3.6, 1.0)
Preanal length	69.5	69.2–72.4 (70.4, 1.4)	69.3	68.7–70.6 (69.7, 0.7)
Caudal peduncle length	16.4	16.4–19.3 (18.1, 1.5)	17.3	16.5–19.7 (17.5, 1.1)
Caudal peduncle depth	8.4	6.6–8.4 (7.7, 0.7)	6.9	6.3–7.6 (7.1, 0.4)
In percent HL %
Head height	62.2	52.2–62.2 (56.7, 3.5)	53.8	50.2–62.0 (56.0, 3.6)
Head width	69.4	59.3–71.2 (65.4, 4.9)	62.9	62.9–70.0 (66.6, 2.6)
Inner rostral barbel length	29.7	21.0–29.7 (23.9, 3.5)	25.8	19.3–26.5 (22.9, 3.3)
Outer rostral barbel length	58.9	45.4–58.9 (50.2, 5.4)	42.8	38.6–52.2 (44.5, 5.0)
Maxillary barbel length	43.9	35.1–43.9 (40.6, 3.3)	32	30.8–38.2 (33.9, 2.7)
Eye diameter	1.3	1.3 / 2.9 (2.1, 1.1)	5.3	5.3–7.1 (6.2, 0.8)
Interorbital width	35.3	35.1 / 35.3 (35.2, 0.1)	33.4	33.4–38.4 (35.5, 2.0)
Distance between posterior nostrils	24.3	22.2–28.3 (24.8, 2.2)	23.7	19.4–25.9 (23.3, 2.7)
Pre-anterior nostril length	21.8	21.2–27.5 (24.5, 2.9)	27.2	22.5–28.0 (26.1, 1.9)
Postocular head length	54.8	48.2–54.8 (51.5, 4.6)	49.5	49.5–54.3 (52.3, 1.8)
Snout length	47.9	42.2–47.9 (45.1, 4.0)	45.7	36.4–47.3 (42.4, 3.7)