A new species of Tetragonopterus (Characiformes: Characidae) from Central Amazon lowlands, Brazil
Author
Urbanski, Bruna Q.
Departamento de Zoologia, Instituto de Biociências, Universidade Estadual Paulista - IBB-UNESP, R. Prof. Dr. Antonio C. W. Zanin, s / n, Rubião Jr, 18618 - 689 Botucatu, SP, São Paulo, Brazil.
brurbanski@outlook.com
Author
Melo, Bruno F.
Departamento de Morfologia, Instituto de Biociências, Universidade Estadual Paulista - IBB-UNESP, R. Prof. Dr. Antonio C. W. Zanin, s / n, Rubião Jr, 18618 - 689 Botucatu, SP, São Paulo, Brazil.
melo@ibb.unesp.br
Author
Silva, Gabriel S. C.
Departamento de Morfologia, Instituto de Biociências, Universidade Estadual Paulista - IBB-UNESP, R. Prof. Dr. Antonio C. W. Zanin, s / n, Rubião Jr, 18618 - 689 Botucatu, SP, São Paulo, Brazil.
gabriel_biota@hotmail.com
Author
Benine, Ricardo C.
0000-0002-1028-8971
Departamento de Zoologia, Instituto de Biociências, Universidade Estadual Paulista - IBB-UNESP, R. Prof. Dr. Antonio C. W. Zanin, s / n, Rubião Jr, 18618 - 689 Botucatu, SP, São Paulo, Brazil.
rbenine@ibb.unesp.br
text
Neotropical Ichthyology
2018
2018-06-11
16
2
1
7
journal article
10.1590/1982-0224-20170158
ca8ad547-1de7-4220-88ad-6b0a697a1811
1982-0224
3709783
Tab. 1. Morphometric data of Tetragonopterus manaos. Range includes holotype. SD = Standard deviation. | Holotype | N | Range | Mean | SD |
|---|
| Standard length (mm) | 64.1 | 28 | 54.6-81.6 | 65.4 | - |
|---|
| Percentages of standard length |
|---|
| Body depth | 49.5 | 28 | 47.5-54.9 | 52.4 | 2.0 |
|---|
| Predorsal length | 50.9 | 28 | 49.0-53.0 | 50.8 | 0.9 |
|---|
| Prepectoral length | 32.1 | 28 | 30.5-34.6 | 32.1 | 0.9 |
|---|
| Prepelvic length | 54.1 | 28 | 50.4-56.7 | 54.0 | 1.5 |
|---|
| Preanal length | 69.5 | 28 | 68.7-75.9 | 73.3 | 1.9 |
|---|
| Caudal-peduncle depth | 11.1 | 28 | 10.4-12.2 | 11.5 | 0.4 |
|---|
| Caudal-peduncle length | 6.2 | 28 | 4.3-7.1 | 6.0 | 0.7 |
|---|
| Pectoral-fin length | 26.2 | 28 | 19.2-27.2 | 25.8 | 1.9 |
|---|
| Pelvic-fin length | 19.4 | 28 | 14.1-22.4 | 19.1 | 2.1 |
|---|
| Dorsal-fin length | 39.8 | 27 | 26.7-42.3 | 38.4 | 2.9 |
|---|
| Length of dorsal-fin base | 18.1 | 28 | 16.3-21.5 | 19.2 | 1.0 |
|---|
| Anal-fin length | 18.4 | 22 | 15.6-22.3 | 19.5 | 2.0 |
|---|
| Length of anal-fin base | 35.5 | 28 | 30.8-35.6 | 34.1 | 1.3 |
|---|
| Distance from eye to dorsal-fin origin | 37.4 | 28 | 35.4-40.1 | 37.8 | 1.2 |
|---|
| Distance from dorsal-fin origin to caudal-fin base | 55.3 | 28 | 51.6-58.8 | 54.1 | 1.7 |
|---|
| Head length | 31.0 | 28 | 28.8-32.3 | 30.5 | 0.9 |
|---|
| Head depth | 41.6 | 28 | 35.5-45.1 | 41.7 | 2.1 |
|---|
| Percentages of head length |
|---|
| Snout length | 18.9 | 28 | 16.7-23.8 | 19.9 | 1.7 |
|---|
| Maxillary length | 55.3 | 28 | 50.3-57.3 | 53.6 | 2.0 |
|---|
| Horizontal orbital diameter | 44.2 | 28 | 43.6-50.5 | 46.8 | 1.9 |
|---|
| Least interorbital width | 33.0 | 28 | 30.9-36.7 | 33.7 | 1.6 |
|---|