A new species of Astyanax (Characiformes: Characidae) from the rio de Contas basin, Bahia, Brazil
Author
Zanata, Angela Maria
Author
Burger, Rafael
Author
Vita, George
Author
Camelier, Priscila
text
Neotropical Ichthyology
2019
2019-10-24
17
3
1
10
journal article
24156
10.1590/1982-0224-20190061
5af53e5e-f5c9-431e-9a99-242b0afba244
1982-0224
3650282
Tab. 1. Morphometric data for Astyanax varii, new species; n= 30, range includes holotype. SD= standard deviation. | Holotype | Range | Mean | SD |
|---|
| Standard length (mm) | 41.4 | 29.1–44.3 | 37.6 | - |
|---|
| Percentages of standard length |
|---|
| Depth at dorsal-fin origin | 31.4 | 28.8–33.6 | 31.0 | 1.4 |
|---|
| Snout to dorsal fin origin | 51.0 | 48.6–53.0 | 51.0 | 1.0 |
|---|
| Snout to pectoral-fin origin | 24.4 | 23.6–26.5 | 24.9 | 0.8 |
|---|
| Snout to pelvic-fin origin | 45.7 | 45.3–48.9 | 47.1 | 1.1 |
|---|
| Snout to anal-fin origin | 61.8 | 61.2–65.3 | 63.5 | 1.2 |
|---|
| Caudal peduncle depth | 10.6 | 10.6–12.1 | 11.4 | 0.4 |
|---|
| Caudal peduncle length | 15.9 | 13.7–16.9 | 15.0 | 0.7 |
|---|
| Pectoral-fin length | 20.5 | 19.9–22.6 | 21.2 | 0.7 |
|---|
| Pelvic-fin length | 13.0 | 12.9–15.1 | 13.9 | 0.6 |
|---|
| Dorsal-fin base length | 11.6 | 11.3–14.4 | 13.0 | 0.8 |
|---|
| Dorsal-fin height | 24.4 | 23.1–26.6 | 25.2 | 1.0 |
|---|
| Anal-fin base length | 23.4 | 23.4–27.3 | 25.2 | 1.0 |
|---|
| Anal-fin lobe length | 17.6 | 15.8–20.3 | 18.1 | 0.8 |
|---|
| Eye to dorsal-fin origin | 36.2 | 35.1–37.6 | 36.3 | 0.6 |
|---|
| Dorsal-fin origin to caudal-fin base | 52.7 | 50.0–54.3 | 52.5 | 1.1 |
|---|
| Head length | 24.9 | 23.4–26.6 | 24.9 | 0.9 |
|---|
| Percentages of head length |
|---|
| Horizontal eye diameter | 38.8 | 34.7–40.0 | 37.8 | 1.4 |
|---|
| Snout length | 23.3 | 19.8–23.9 | 22.3 | 1.0 |
|---|
| Least interorbital width | 29.1 | 28.2–32.1 | 30.6 | 1.0 |
|---|
| Upper jaw length | 40.8 | 40.2–43.9 | 42.3 | 1.2 |
|---|