Redescription of Austrolebias accorsii (Cyprinodontiformes: Rivulidae) and description of a new species of the genus from the upper Paraguay River basin Author Drawert, Heinz Arno Sección ZoologÍa de Vertebrados – Área IctiologÍa, Museo de Historia Natural Noel Kempff Mercado, Avenida Irala, 565, Santa Cruz de la Sierra, Bolivia & Killifish Foundation, Country Representation Bolivia & Condominio Villa Borghese C 6 M 2, Santa Cruz de la Sierra, Bolivia h.a.drawert@gmail.com Author Ergueta, Carlos Sección ZoologÍa de Vertebrados – Área IctiologÍa, Museo de Historia Natural Noel Kempff Mercado, Avenida Irala, 565, Santa Cruz de la Sierra, Bolivia & Killifish Foundation, Country Representation Bolivia & Condominio Villa Borghese C 6 M 2, Santa Cruz de la Sierra, Bolivia ergueta1988@gmail.com text Neotropical Ichthyology 2024 e 240001 2024-06-10 22 2 1 29 http://dx.doi.org/10.1590/1982-0224-2024-0001 journal article 310088 10.1590/1982-0224-2024-0001 e83b7b0e-1dfb-49c6-9be3-a9bfd0209d19 1982-0224 13326117 E2C352EB-B49A-440A-8B32-4EAD380367AF

TABLE 2 | Morphometric and meristic data of Austrolebias ayoreode. 1: MNKP 16612; 2: MNKP 16587 (n = 12), MNKP 16590 (n = 2); 3: MNKP 16587 (n = 9), MNKP 16590 (n = 1); 4: Holotype and paratypes; 5: Females n = 9.

	Holotype	Paratypes
	Male 1	Males 2	Females 3	Males 4 (n = 15)		Females 3 (n = 10)
		(n = 14)	(n = 10)	Median (IQR)	Mean (SD)	Median (IQR)	Mean (SD)
		Min–Max	Min–Max
Standard length (mm)	50.74	21.2–34.78	19.69–38.08	26.64 (7.13)	28.81 (7.46)	22.16 (2.09)	23.83 (5.32)
Percents of standard length
Body depth	35.95	32.57–38.63	33.38–38	36.31 (1.88)	36.39 (1.53)	35.37 (1)	35.41 (1.31)
Caudal peduncle depth	14.37	13.29–16.51	10.49–16.36	14.45 (0.82)	14.65 (0.96)	13.82 (1.28)	13.55 (1.51)
Pre-dorsal length	49.94	45.31–54.33	49.02–58.11	47.47 (3.5)	48.47 (2.63)	54.16 (4)	54.26 (2.85)
Pre-pelvic length	38.39	39.02–46.71	42.56–48.3	42.18 (2.44)	41.93 (2.2)	44.82 (2.91)	45.08 (1.91)
Dorsal-fin base length	41.17	33.68–44.28	24.02–31	40.88 (2.35)	39.98 (3.05)	28.78 (2.59)	28.32 (2.21)
Anal-fin base length	45.92	39.04–45.17	23.72–29.92	42.95 (2.14)	42.46 (2.05)	27.29 (2.03)	27.48 (1.76)
Caudal-fin length5	18.58	18.34–26.14	18.72–26.22	22.12 (3.41)	21.6 (2.38)	21.78 (3.69)	22.29 (2.5)
Pectoral-fin length	22.09	18.88–27.5	19.81–25.06	22.59 (2.61)	22.58 (2.25)	22.82 (3.3)	22.36 (1.99)
Pelvic-fin length	8.10	5.05–7.93	6.56–12.18	6.27 (1.71)	6.55 (1.06)	9.01 (1.23)	9.04 (1.57)
Head length	28.42	24.96–32.55	26.48–31.79	28.12 (0.98)	28.25 (2)	29.05 (2.95)	29.64 (1.94)
Percents of head length
Head depth	108.46	100.12–117.68	96.68–107.36	108.46 (6.87)	108.28 (5.2)	103.76 (4.81)	103.39 (3.33)
Head width	65.05	70.08–83.55	66.76–82.34	77.61 (9.36)	76.25 (5.55)	72.49 (6.97)	72.26 (4.93)
Snout length	23.58	14.78–25.18	15.77–23.27	21.81 (4.47)	20.72 (3.29)	20.43 (1.5)	19.94 (2.43)
Eye diameter	24.34	25–35.81	27.18–34.14	27.85 (5.49)	29.5 (3.63)	31.88 (3.09)	31.22 (2.24)
Meristic counts
Longitudinal series scales5	30	30–33	30–31	31 (1.5)	31 (0.93)	31 (1)	30.56 (0.53)
Transverse series scales	13	11–13	11–13	12 (0)	12.13 (0.52)	12 (0)	12 (0.67)
Circumpeduncular rows scales5	17	14–17	13–16	16 (0)	15.87 (0.83)	14 (1)	13 (4.67)
Pectoral fin rays	12	12–13	12–13	12 (0)	12.2 (0.41)	12 (0.75)	12.3 (0.48)
Pelvic fin-rays	5	4–5	4–4	4 (1)	4.47 (0.52)	4 (0)	4 (0)
Dorsal fin-rays	26	23–29	18–22	26 (0)	25.87 (1.25)	21.5 (2)	20.9 (1.37)
Anal fin-rays	30	28–32	24–28	30 (2)	29.87 (1.36)	25.5 (1)	25.6 (1.26)
Caudal fin-rays	23	24–26	24–24	24 (1)	24.47 (0.92)	24 (0)	24 (0)