New species of the catfish genus Tatia (Siluriformes: Auchenipteridae) from the rio Teles Pires, upper rio Tapajós basin, Brazil
Author
Vari, Richard P.
Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, D. C., 20560 USA.
varir@si.edu
Author
Calegari, Bárbara B.
Laboratório de Sistemática de Vertebrados, Pontifícia Universidade Católica do Rio Grande do Sul. Av. Ipiranga, 6681, P. O. Box 1429, 90619 - 900 Porto Alegre, RS, Brazil.
barbara.calegari@gmail.com
text
Neotropical Ichthyology
2014
2014-11-21
12
4
667
674
http://dx.doi.org/10.1590/1982-0224-20130193
journal article
314143
10.1590/1982-0224-20130193
5469813b-82a8-4efd-843d-ccb29a0cab07
1982-0224
12718730
Table 1. Morphometric data for Tatia melanoleuca. Hol.=holotype; range includes holotype and one paratype. SD= standard deviation. | Hol. | Low | High | Mean | SD |
|---|
| Standard length (mm) | 32.4 | 21.7 | 32.4 | 27.0 | - |
|---|
| Percents of standard length |
|---|
| Body depth at anterior nuchal plate | 23.4 | 23.4 | 25.6 | 24.5 | 1.5 |
|---|
| Body width at cleithrum | 22.0 | 22.0 | 24.3 | 23.1 | 1.7 |
|---|
| Caudal-peduncle depth | 13.9 | 13.9 | 14.5 | 14.2 | 0.4 |
|---|
| Caudal-peduncle length | 19.5 | 18.8 | 19.5 | 19.2 | 0.5 |
|---|
| Caudal-peduncle width | 6.0 | 5.8 | 6.0 | 5.9 | 0.1 |
|---|
| Predorsal length | 36.2 | 36.2 | 38.9 | 37.5 | 1.9 |
|---|
| Postdorsal length | 55.3 | 51.9 | 55.3 | 53.6 | 2.4 |
|---|
| Preanal length | 73.7 | 73.7 | 78.7 | 76.2 | 3.5 |
|---|
| Prepelvic length | 58.9 | 58.9 | 64.8 | 61.8 | 4.1 |
|---|
| Dorsal-fin to pectoral-fin distance | 22.7 | 22.7 | 26.9 | 24.8 | 3.0 |
|---|
| Dorsal-fin to pelvic-fin distance | 34.9 | 34.9 | 36.7 | 35.8 | 1.3 |
|---|
| Pectoral-fin to pelvic-fin distance | 38.0 | 38.0 | 40.5 | 39.2 | 1.8 |
|---|
| Pelvic-fin to anal-fin distance | 16.1 | 15.7 | 16.1 | 15.9 | 0.3 |
|---|
| Prepectoral length | 25.3 | 25.3 | 27.3 | 26.3 | 1.4 |
|---|
| Dorsal-fin base length | 12.9 | 12.9 | 13.4 | 13.1 | 0.3 |
|---|
| Adipose-fin base length | 5.2 | 5.2 | 5.7 | 5.4 | 0.4 |
|---|
| Anal-fin base length | 9.1 | 9.1 | 9.8 | 9.4 | 0.5 |
|---|
| Dorsal-fin spine length | 22.3 | 20.4 | 22.3 | 21.4 | 1.3 |
|---|
| Pectoral-fin spine length | 28.6 | 28.4 | 28.6 | 28.5 | 0.1 |
|---|
| Postcleithral process length | 19.6 | 19.6 | 22.1 | 20.8 | 1.8 |
|---|
| First branched pelvic-fin ray length | 13.3 | 12.0 | 13.3 | 12.7 | 1.0 |
|---|
| Longest anal-fin ray length | 12.7 | 12.7 | 13.0 | 12.9 | 0.2 |
|---|
| Maxillary barbel length | 34.0 | 34.0 | 40.7 | 37.3 | 4.8 |
|---|
| Lateral mental-barbel length | 9.1 | 9.1 | 10.6 | 9.9 | 1.0 |
|---|
| Medial mental-barbel length | 6.3 | 6.3 | 6.8 | 6.5 | 0.3 |
|---|
| Head length | 31.6 | 31.6 | 32.4 | 32.0 | 0.6 |
|---|
| Percents of head length |
|---|
| Head depth | 66.4 | 66.4 | 69.5 | 67.9 | 2.2 |
|---|
| Head width | 68.8 | 68.8 | 72.4 | 70.6 | 2.5 |
|---|
| Snout depth | 34.5 | 34.5 | 38.5 | 36.5 | 2.8 |
|---|
| Interorbital distance | 42.0 | 42.0 | 42.9 | 42.4 | 0.6 |
|---|
| Anterior-posterior nareal width | 14.3 | 11.8 | 14.3 | 13.0 | 1.7 |
|---|
| Anterior internarial distance | 26.6 | 23.2 | 26.6 | 24.9 | 2.4 |
|---|
| Posterior internarial distance | 26.0 | 26.0 | 29.8 | 27.9 | 2.7 |
|---|
| Snout length | 31.5 | 31.5 | 31.8 | 31.7 | 0.2 |
|---|
| Orbital diameter | 30.2 | 30.2 | 30.5 | 30.4 | 0.3 |
|---|
| Mouth width | 30.1 | 30.1 | 33.4 | 31.7 | 2.3 |
|---|
| Prenasal length | 11.9 | 10.7 | 11.9 | 11.3 | 0.9 |
|---|