New reddish species of Moenkhausia Eigenmann (Characiformes: Characidae) from the upper rio Xingu basin, Brazil Author Reia, Lais Laboratório de Biologia e Genética de Peixes, Departamento de Biologia Estrutural e Funcional, Instituto de Biociências de Botucatu, Universidade Estadual Paulista, R. Prof. Dr. Antônio C. W. Zanin, s / n, Rubião Jr., 18618 - 689 Botucatu, SP, Brazil. (LR) laisreia @ yahoo. com. br (corresponding author), (GSCS) gabriel _ biota @ hotmail. com, (CO) claudio. oliveira @ unesp. br. & Department of Ichthyology, The Academy of Natural Sciences of Drexel University, 19103 - 1195, Philadelphia, PA, USA. laisreia@yahoo.com.br Author Silva, Gabriel de Sousa Costa e Author Oliveira, Claudio Laboratório de Biologia e Genética de Peixes, Departamento de Biologia Estrutural e Funcional, Instituto de Biociências de Botucatu, Universidade Estadual Paulista, R. Prof. Dr. Antônio C. W. Zanin, s / n, Rubião Jr., 18618 - 689 Botucatu, SP, Brazil. (LR) laisreia @ yahoo. com. br (corresponding author), (GSCS) gabriel _ biota @ hotmail. com, (CO) claudio. oliveira @ unesp. br. laisreia@yahoo.com.br Author Benine, Ricardo Cardoso Laboratório de Ictiologia, Departamento de Biodiversidade e BioestatÍstica, Instituto de Biociências de Botucatu, Universidade Estadual Paulista, R. Prof. Dr. Antônio C. W. Zanin, s / n, Rubião Jr., 18618 - 689 Botucatu, SP, Brazil. (RCB) ricardo. benine @ unesp. br. ricardo.benine@unesp.br text Neotropical Ichthyology 2024 e 230089 2024-02-12 22 1 1 17 http://dx.doi.org/10.1590/1982-0224-2023-0089 journal article 295851 10.1590/1982-0224-2023-0089 53c4f389-93de-4e36-b646-02230b6d7276 1982-0224 11162975 2A92F473-C1E9-425B-80B6-5864E58403D3

TABLE 2 | Morphometric data for holotype and paratypes of Moenkhausia aurora. SD = Standard deviation.

	Holotype	N	Range	Mean	SD
Standart length	37.9	44	28.1-43.0	34.2	-
Porcentages of standart length
Greatest depth	36.8	44	29.9-36.8	34.0	1.7
Snout to dorsal-fin origin	52.0	44	49.8-54.2	51.6	1.0
Snout to pelvic-fin origin	47.2	44	41.4-51.0	47.5	1.7
Snout to pectoral-fin origin	29.4	44	26.7-30.1	28.4	0.8
Snout to anal-fin origin	63.6	44	60.1-67.2	62.9	1.8
Caudal peduncle depth	11.8	44	10.4-12.3	11.4	0.5
Caudal peduncle length	11.4	44	9.7-13.9	11.4	0.9
Pectoral-fin length	25.3	44	21.1-26.3	23.8	1.2
Pelvic-fin length	21.0	44	15.5-21.6	18.3	1.5
Dorsal-fin length	32.4	43	25.5-33.5	29.5	1.9
Dorsal-fin base	14.5	44	12.4-15.7	13.9	0.7
Anal-fin length	20.8	43	16.9-22.8	19.5	1.4
Anal-fin base	30.8	44	26.9-34.0	30.3	1.8
Eye to dorsal-fin origin	36.6	44	34.0-38.9	36.7	1.2
Dorsal-fin origin to caudal-fin origin	53.7	44	50.6-55.3	52.7	1.2
Head depth	19.9	43	18.4-22.3	20.7	0.9
Head length	27.8	44	26.0-29.5	27.6	0.8
Porcentages of head length
Orbital diameter	40.0	44	36.9-47.4	42.2	2.5
Interorbital distance	32.6	44	30.2-34.4	32.0	1.2
Snout length	27.2	44	20.0-31.6	26.7	3.3
Upper jaw length	48.4	44	46.8-53.3	50.3	1.7