Description of a new species of Cyphocharax from the rio Juma, rio Aripuanã basin, southern Amazon basin (Teleostei: Curimatidae) Author Melo, Bruno F. Department of Ichthyology, American Museum of Natural History, 200 Central Park West, NY 10024 New York, USA. bmelo@amnh.org Author Faria, Tiago C. Departamento de Biologia Estrutural e Funcional, Instituto de Biociências, Universidade Estadual Paulista, Rua Prof. Dr. Antônio C. W. Zanin 250, 18618 - 689 Botucatu, SP, Brazil. (TCF) tc. faria @ unesp. br. tc.faria@unesp.br text Neotropical Ichthyology 2024 e 230122 2024-04-05 22 1 1 12 http://dx.doi.org/10.1590/1982-0224-2023-0122 journal article 310058 10.1590/1982-0224-2023-0122 56e55ff8-2fb7-4dd7-bfdf-fa5f4326fed0 1982-0224 13152859 B4A63A58-52DE-40B9-9CDA-9D77ACEDC0B9

TABLE 1 | Morphometric data for holotype and five paratypes of Cyphocharax orion. Range includes holotype. SD = standard deviation.

	Holotype	Range	Mean	SD
Standard length (mm)	72.8	56.2–77.8	64.3	–
Percents of standard length
Greatest body depth	34.5	32.3–37.4	34.7	1.8
Snout to dorsal-fin origin	48.9	47.0–50.0	48.4	1.2
Snout to pectoral-fin origin	25.7	24.7–26.2	25.6	0.6
Snout to pelvic-fin origin	52.3	51.8–53.6	52.6	0.6
Snout to anal-fin origin	81.3	77.5–81.3	79.6	1.6
Dorsal-fin origin to hypural joint	58.5	57.6–59.4	58.1	0.7
Dorsal-fin origin to anal-fin origin	45.9	42.9–46.4	44.6	1.5
Dorsal-fin origin to pelvic-fin origin	35.9	33.5–37.9	35.6	1.5
Dorsal-fin origin to pectoral-fin origin	36.3	34.6–37.1	36.0	0.9
Caudal-peduncle depth	13.2	12.1–13.2	12.5	0.4
Pectoral-fin length	20.5	18.7–21.2	19.8	0.9
Pelvic-fin length	21.0	19.5–22.2	21.0	0.9
Dorsal-fin length	30.1	27.1–30.1	28.5	1.2
Head length	24.7	24.5–26.2	25.0	0.6
Percents of head length
Snout length	28.3	25.5–30.3	26.6	1.8
Orbital diameter	31.7	29.7–34.5	32.1	1.7
Postorbital length	40.0	39.8–43.2	40.8	1.4
Interorbital width	44.4	40.0–45.0	42.1	1.9