Redescription of Hyphessobrycon cachimbensis (Characiformes: Characidae) with the description of a new congener from the Serra do Cachimbo, Brazil
Author
Marinho, Manoela Maria Ferreira
Departamento de Sistemática e Ecologia, Universidade Federal da ParaÍba, Cidade Universitária, s / n, Castelo Branco, 58033 - 455 João Pessoa, PB, Brazil
manoela.marinho@gmail.com
Author
Dagosta, Fernando Cesar Paiva
Laboratório de Biogeografia e Sistemática de Peixes, Universidade Federal da Grande Dourados, Rodovia Dourados / Itahum, km 12, 79804 - 970, Dourados, MS, Brazil & Museu da Biodiversidade, Universidade Federal da Grande Dourados, Rodovia Dourados / Itahum, km 12, 79804 - 970 Dourados, MS, Brazil.
ferdagosta@gmail.com
text
Neotropical Ichthyology
2024
e 230127
2024-05-20
22
2
1
20
http://dx.doi.org/10.1590/1982-0224-2023-0127
journal article
310086
10.1590/1982-0224-2023-0127
af55f207-f820-45e0-860a-8e336247ccf4
1982-0224
13152761
BE3E64E9-97DA-4B05-A7E8-4E47BB47F977
TABLE 1 | Morphometric data of Hyphessobrycon cachimbensis, taken from MNRJ 9196, holotype, MZUSP 101377, 101416, and 116642, non-types. Range includes the holotype. N = number of specimens; SD = Standard deviation. | Holotype | N | Range | Mean | SD |
|---|
| Standard length (mm) | 30.6 | 21 | 28.5–56.5 | 47.2 | – |
|---|
| Percentages of standard length |
|---|
| Depth at dorsal-fin origin | 32.4 | 21 | 32.3–39.7 | 35.5 | 2.1 |
|---|
| Snout to dorsal-fin origin | 52.0 | 21 | 49.0–53.1 | 50.9 | 1.1 |
|---|
| Snout to pectoral-fin origin | 26.5 | 21 | 23.9–28.1 | 25.4 | 1.0 |
|---|
| Snout to pelvic-fin origin | 45.8 | 21 | 42.5–47.3 | 45.1 | 1.2 |
|---|
| Snout to anal-fin origin | 61.1 | 21 | 57.2–63.5 | 60.8 | 1.7 |
|---|
| Caudal-peduncle depth | 10.1 | 21 | 8.5–12.2 | 10.7 | 1.0 |
|---|
| Caudal-peduncle length | 13.1 | 21 | 10.5–14.7 | 12.4 | 1.1 |
|---|
| Pectoral-fin length | 22.9 | 21 | 20.2–26.3 | 23.2 | 1.5 |
|---|
| Pelvic-fin length | 18.3 | 21 | 16.3–20.6 | 18.4 | 1.1 |
|---|
| Pelvic-fin origin to anal-fin origin | 17.0 | 21 | 15.0–19.4 | 17.0 | 1.2 |
|---|
| Dorsal-fin length | 33.3 | 21 | 27.3–33.3 | 30.1 | 1.6 |
|---|
| Dorsal-fin base length | 15.4 | 21 | 13.0–17.3 | 15.4 | 1.1 |
|---|
| Anal-fin length | 19.3 | 21 | 16.6–23.2 | 19.5 | 1.6 |
|---|
| Anal-fin base length | 29.1 | 21 | 28.1–36.7 | 31.5 | 2.4 |
|---|
| Eye to dorsal-fin origin | 37.9 | 21 | 36.8–40.6 | 38.6 | 0.9 |
|---|
| Dorsal-fin origin to caudal-fin base | 53.6 | 21 | 47.8–54.5 | 52.1 | 1.8 |
|---|
| Head length | 25.5 | 21 | 21.9–26.3 | 23.4 | 1.1 |
|---|
| Percentages of head length |
|---|
| Horizontal eye diameter | 43.6 | 21 | 36.8–43.6 | 40.2 | 1.8 |
|---|
| Snout length | 23.1 | 21 | 21.6–27.6 | 24.2 | 1.5 |
|---|
| Interorbital width | 32.1 | 21 | 29.9–37.0 | 34.2 | 1.9 |
|---|
| Upper jaw length | 47.4 | 21 | 38.3–47.4 | 42.3 | 2.1 |
|---|