The Doring River population of Pseudobarbus (Teleostei: Cyprinidae) does not merit formal description Author Zarei, Fatah 0000-0001-5552-4301 NRF-South African Institute for Aquatic Biodiversity (NRF-SAIAB), P. Bag 1015, Makhanda 6140, South Africa arei@saiab.nrf.ac.za Author Mathebula, Xiluva 0000-0003-3577-5810 NRF-South African Institute for Aquatic Biodiversity (NRF-SAIAB), P. Bag 1015, Makhanda 6140, South Africa & Department of Ichthyology and Fisheries Science, Rhodes University, PO Box 94, Makhanda 6140, South Africa athebula@saiab.nrf.ac.za Author Chakona, Albert 0000-0001-6844-7501 NRF-South African Institute for Aquatic Biodiversity (NRF-SAIAB), P. Bag 1015, Makhanda 6140, South Africa & Department of Ichthyology and Fisheries Science, Rhodes University, PO Box 94, Makhanda 6140, South Africa hakona@saiab.nrf.ac.za text Zootaxa 2025 2025-10-07 5701 5 547 562 https://doi.org/10.11646/zootaxa.5701.5.4 journal article 312748 10.11646/zootaxa.5701.5.4 373a2eed-9259-4291-b503-6a69604c20ee 1175-5326 17326425 B27E2D9F-632A-4199-B761-101D0CD8294C

TABLE 4. Morphometric and meristic data for Pseudobarbus phlegethon from the Olifants and Doring rivers.

	Olifants River (n=32)	Doring River (n=19)
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	Range Mean±SD	Range	Mean±SD
Standard length (SL) in mm	32.6–61.8 52.6±5.8	42.8–72.4	53.8±8.7
Head length (HL) in mm	8.7–16.4 13.5±1.5	11.4–17.7	13.8±1.8
% of standard length
Head length	24.4–27.5 25.7±0.7	23.7–27.0	25.7±1.0
Predorsal length	53.0–57.8 55.0±1.2	51.3–55.8	53.9±1.3
Dorsal-fin base	12.4–15.0 13.6±0.6	12.9–14.7	13.7±0.6
Dorsal-fin height	21.3–26.3 23.2±1.3	20.7–25.6	23.4±1.4
Anal-fin base	9.6–11.5 10.3±0.5	10.0–12.9	11.2±0.8
Anal-fin height	19.8–22.7 21.2±0.8	18.4–23.2	20.6±1.3
Pectoral-fin length	18.6–24.0 20.6±1.3	18.9–24.7	22.0±1.5
Pelvic-fin length	15.5–19.1 17.0±0.7	14.5–18.3	16.6±1.1
Body depth	23.3–28.1 25.6±1.1	23.7–27.4	25.8±0.9
Body width	13.3–18.1 15.6±1.1	13.7–18.4	16.0±1.2
Pectoral to pelvic fin length	24.5–30.0 27.0±1.3	21.4–28.6	24.8±1.8
Pelvic to anal fin length	12.7–16.1 14.5±0.9	13.9–17.9	15.9±1.3
Caudal peduncle length	22.1–26.1 24.1±1.2	22.6–26.1	23.9±0.9
% of head length
Head depth	65.7–76.3 71.9±2.5	67.5–74.1	71.0±1.9
Interobital width	27.9–38.0 35.4±1.9	31.9–37.6	34.6±1.8
Snout length	29.3–34.1 31.7±1.1	27.7–35.4	31.8±2.0
Postorbital length	41.2–48.9 45.2±1.6	43.9–49.8	46.5±1.4
Posterior barbel length	1.0–15.3 7.8±3.4	10.4–16.1	13.2±1.6
Orbit diameter	24.0–30.1 26.7±1.7	23.2–26.6	25.2±0.9
% of caudal peduncle length
Caudal peduncle depth	42.4–56.0 48.3±3.4	45.6–56.7	51.0±2.8
Meristics
Lateral-line scales (LL)	33–38 (mode 34–37)	35–39 (mode 36–38)
Lateral line to dorsal fin scale rows (LD)	5	5–6 (mode 5–6)
Lateral line to pelvic fin scale rows (LP)	4–5 (mode 4)	4–5 (mode 4)
Lateral line to anal fin scale rows (LA)	4–5 (mode 4)	3–5 (mode 4-5)
Caudal peduncle scale rows (CP)	12–15 (mode 12–14)	13–15 (mode 13–14)
Predorsal scale rows (PDS)	14–18 (mode 15–17)	16–18 (mode 16–17)
Unbranched dorsal-fin rays	iii	iii
Branched dorsal-fin rays	6–7 (mode 7)	6–7 (mode 7)
Unbranched anal-fin rays	iii	iii
Branched anal-fin rays	5	5
Pectoral-fin elements	12–15 (mode 12–14)	14–15
Pelvic-fin elements	7–8 (mode 8)	8
Total vertebrae*	35–36 (mode 36)	36–38 (mode 37)