A new rainbow gudgeon of Sarcocheilichthys (Teleostei: Cyprinidae) from Fujian Province, China with redescriptions of S. hainanensis
Author
Chen, I-Shiung
Institute of Marine Biology, National Taiwan Ocean University, Keelung, 202301, Taiwan, R. O. C. & Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, 202301, Taiwan, R. O. C.
Author
Li, Hsien-En
Institute of Marine Biology, National Taiwan Ocean University, Keelung, 202301, Taiwan, R. O. C.
text
Zootaxa
2024
2024-12-10
5550
1
258
270
https://doi.org/10.11646/zootaxa.5550.1.26
journal article
306354
10.11646/zootaxa.5550.1.26
38da06d6-4492-443c-9cab-693ec0950e20
1175-5326
14389064
3AE0E6CB-5754-4EC8-824B-08086301C893
TABLE 1. Morphometric percentages of three Sarcocheilichthys species examined herein. | Sarcocheilichthys hanjiangensis sp. nov. | Sarcocheilichthys hainanensis | Sarcocheilichthys nigripinnis |
|---|
| Sex | Holotype | ♂ | ♀ | ♂ | ♂ | ♀ |
|---|
| n | 1 | 7 | 5 | 3 | 1 | 1 |
|---|
| SL (mm) | 53.02 | 49.58–57.94 | 44.85–53.95 | 50.80–85.04 | 92.11 | 90.18 |
|---|
| Percent in standard length (%) |
|---|
| Head length | 20.09 | 19.74–20.95 (20.26) | 19.84–21.07 (20.30) | 17.80–18.62 (18.26) | 20.08 | 20.25 |
|---|
| Body depth | 26.22 | 25.74–27.83 (26.42) | 25.94–28.12 (26.76) | 22.09–26.32 (24.25) | 26.77 | 27.18 |
|---|
| Body width | 14.94 | 14.40–15.37 (14.98) | 14.71–15.33 (15.07) | 11.06–13.10 (11.91) | 16.68 | 14.91 |
|---|
| Caudal peduncle length | 20.07 | 19.32–22.06 (20.75) | 19.43–23.05 (20.47) | 20.47–23.68 (21.26) | 20.24 | 19.67 |
|---|
| Caudal peduncle depth | 12.56 | 12.63–13.28 (13.03) | 11.99–13.35 (12.90) | 11.74–11.96 (11.83) | 13.36 | 13.25 |
|---|
| Predorsal length | 45.51 | 43.91–47.01 (45.12) | 44.87–48.94 (46.55) | 44.94–48.68 (46.49) | 45.93 | 46.44 |
|---|
| Dorsal fin base | 13.94 | 12.48–14.05 (13.69) | 13.26–13.98 (13.63) | 10.68–11.79 (11.36) | 13.36 | 13.25 |
|---|
| Anal fin base | 8.60 | 8.05–8.98 (8.48) | 8.26–10.79 (8.86) | 8.76–10.19 (9.31) | 8.15 | 8.03 |
|---|
| Snout to ventral fin | 47.76 | 47.04–49.12 (47.84) | 47.54–50.26 (49.33) | 47.95–48.58 (48.35) | 48.55 | 49.53 |
|---|
| Snout to anal fin | 70.31 | 69.55–72.46 (70.56) | 55.58–73.91 (68.40) | 70.80–71.23 (71.01) | 70.50 | 71.80 |
|---|
| Dorsal origin to caudal base | 52.81 | 52.99–58.73 (54.42) | 52.61–53.99 (53.34) | 53.19–53.88 (53.48) | 52.99 | 48.27 |
|---|
| Pectoral origin to pelvic insertion | 25.39 | 23.96–25.96 (24.92) | 24.56–25.70 (25.71) | 24.29–25.80 (24.89) | 26.23 | 25.80 |
|---|
| Length of longest dorsal soft ray | 22.73 | 22.35–24.01 (23.18) | 22.54–24.86 (23.72) | 21.79–22.42 (22.04) | 20.29 | 20.39 |
|---|
| Length of longest pectoral soft ray | 20.07 | 19.72–21.00 (20.33) | 19.98–21.22 (20.54) | 18.23–19.14 (18.82) | 19.55 | 19.51 |
|---|
| Length of longest ventral soft ray | 17.80 | 17.82–18.67 (18.21) | 17.57–18.71 (18.13) | 16.48–17.54 (16.84) | 16.45 | 16.42 |
|---|
| Length of longest anal soft ray | 17.24 | 17.04–18.03 (17.31) | 15.85–17.57 (17.04) | 17.19–17.48 (17.32) | 17.28 | 15.65 |
|---|
| Percent in head length (%) |
|---|
| Snout length | 6.43 | 6.35–6.69 (6.49) | 6.32–6.88 (6.64) | 5.93–7.09 (6.67) | 7.43 | 7.33 |
|---|
| Interorbital width | 8.03 | 7.79–8.36 (7.94) | 7.90–8.41 (8.11) | 6.5–7.5 (7.00) | 7.87 | 7.50 |
|---|
| Eye diameter | 6.24 | 6.19–6.51 (6.29) | 6.23–7.34 (6.60) | 5.68–6.48 (6.12) | 5.69 | 5.69 |
|---|
| Head width | 12.81 | 12.73–13.30 (13.05) | 12.64–13.71 (13.17) | 11.08–11.76 (11.30) | 12.26 | 12.08 |
|---|
| Head depth at orbit midline | 14.65 | 14.48–14.85 (14.69) | 14.21–15.50 (14.75) | 12.52–13.70 (12.92) | 13.48 | 13.99 |
|---|