A new species of Astyanax Baird & Girard (Ostariophysi: Characidae) from the rio Taquari-Antas basin, southern Brazil
Author
Bertaco, Vinícius A.
Author
Vigo, Anelise C.
text
Neotropical Ichthyology
2015
Neotrop. Ichthyol.
2015-06-30
13
2
265
272
http://dx.doi.org/10.1590/1982-0224-20140145
journal article
6578
10.1590/1982-0224-20140145
7e060571-071a-41b2-a2ba-df66720354ea
1982-0224
4551319
Table 1. Morphometric data for holotype and paratypes of Astyanax bagual, n = 31 (including holotype) from the rio Taquari-Antas basin, rio Jacuí drainage, laguna dos Patos system, Rio Grande do Sul, Brazil. SD = standard deviation. | Holotype | Range | Mean | SD |
|---|
| Standard length (mm) | 74.1 | 46.7-78.4 | 64.8 | - |
|---|
| Percents of Standard length |
|---|
| Predorsal distance | 54.5 | 51.7-56.2 | 54.4 | 1.2 |
|---|
| Prepelvic distance | 48.5 | 46.5-52.2 | 49.3 | 1.5 |
|---|
| Prepectoral distance | 27.5 | 25.4-30.4 | 27.6 | 1.2 |
|---|
| Preanal distance | 64.8 | 62.4-69.1 | 65.5 | 1.8 |
|---|
| Depth at dorsal-fin origin | 45.2 | 37.9-45.9 | 43.3 | 1.9 |
|---|
| Caudal peduncle depth | 12.9 | 11.2-13.1 | 12.3 | 0.5 |
|---|
| Caudal peduncle length | 13.0 | 10.8-13.5 | 12.5 | 0.7 |
|---|
| Anal-fin base length | 33.4 | 29.7-35.6 | 33.4 | 1.7 |
|---|
| Dorsal-fin length | 30.3 | 28.5-33.2 | 30.6 | 1.3 |
|---|
| Pelvic-fin length | 18.6 | 16.2-21.0 | 18.2 | 1.1 |
|---|
| Pectoral-fin length | 25.3 | 22.8-27.9 | 24.7 | 1.0 |
|---|
| Head length | 26.1 | 24.9-28.8 | 26.9 | 1.0 |
|---|
| Percents of Head length |
|---|
| Snout length | 23.8 | 20.6-25.1 | 22.8 | 1.2 |
|---|
| Upper jaw length | 45.2 | 36.3-46.1 | 42.5 | 2.4 |
|---|
| Orbital diameter | 33.8 | 29.5-38.2 | 34.0 | 1.6 |
|---|
| Interorbital width | 30.7 | 24.8-31.8 | 28.6 | 1.6 |
|---|