Revision of the Neotropical trahiras of the Hoplias lacerdae species-group (Ostariophysi: Characiformes: Erythrinidae) with descriptions of two new species
Author
Oyakawa, Osvaldo T.
Museu de Zoologia da Universidade de São Paulo, Caixa Postal 42494, 04218 - 970 São Paulo, SP, Brazil
oyakawa@usp.br
Author
Mattox, George M. T.
Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, Caixa Postal 11461, 05422 - 970 São Paulo, SP, Brazil
gmattox@ib.usp.br
text
Neotropical Ichthyology
2009
2009-06-30
7
2
117
140
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252009000200001&lng=en&tlng=en
journal article
313211
10.1590/S1679-62252009000200001
304f62f2-f484-4798-b1da-f6bc34e2c9da
1982-0224
5420421
Table 4. Morphometric data of Hoplias brasiliensis. Standard length in mm; values 1-14 are percents of standard length and values 15-22 are percents of head length. n = number of examined specimens. | Neotype | n | Mean | Range | Standard deviation |
|---|
| Standard length | 162.9 | 75 | - | 19.2-273.8 | - |
|---|
| 1. Body depth | 23.8 | 75 | 22.0 | 17.7-25.9 | 1.8 |
|---|
| 2. Head length | 35.2 | 75 | 33.7 | 30.9-37.4 | 1.2 |
|---|
| 3. Pectoral-fin length | 20.5 | 72 | 19.7 | 14.5-22.8 | 1.8 |
|---|
| 4. Pelvic-fin length | 21.2 | 75 | 20.4 | 17.4-23.3 | 1.2 |
|---|
| 5. Anal-fin length | 19.2 | 75 | 19.5 | 16.6-33.1 | 2.0 |
|---|
| 6. Dorsal-fin length | 28.1 | 75 | 29.8 | 25.6-34.8 | 1.8 |
|---|
| 7. Dorsal-fin base | 14.8 | 75 | 16.8 | 14.1-21.8 | 1.4 |
|---|
| 8. Anal-fin base | 10.3 | 75 | 9.7 | 7.7-20.1 | 1.5 |
|---|
| 9. Pre-pectoral distance | 32.5 | 75 | 31.6 | 28.4-35.6 | 1.6 |
|---|
| 10. Pre-pelvic distance | 58.7 | 75 | 56.2 | 53.9-58.7 | 1.1 |
|---|
| 11. Pre-dorsal distance | 52.9 | 75 | 52.4 | 49.0-55.9 | 1.4 |
|---|
| 12. Pre-anal distance | 83.6 | 75 | 80.3 | 76.4-85.4 | 1.6 |
|---|
| 13. Caudal-peduncle depth | 14.3 | 75 | 13.9 | 12.3-15.6 | 0.7 |
|---|
| 14. Caudal-peduncle length | 13.8 | 75 | 13.5 | 10.2-15.4 | 1.1 |
|---|
| 15. Head depth | 41.4 | 75 | 40.1 | 34.2-45.4 | 2.2 |
|---|
| 16. Snout length | 26.1 | 75 | 23.7 | 18.8-28.4 | 1.9 |
|---|
| 17. Snout width | 19.7 | 75 | 17.8 | 12.6-21.9 | 1.7 |
|---|
| 18. Snout depth | 21.4 | 75 | 17.9 | 9.8-22.4 | 2.4 |
|---|
| 19. Pre-nasal distance | 16.5 | 74 | 14.5 | 9.4-18.1 | 1.8 |
|---|
| 20. Orbital diameter | 18.4 | 75 | 24.5 | 16.2-33.3 | 3.8 |
|---|
| 21. Interorbital width | 22.1 | 75 | 19.1 | 16.4-26.0 | 1.8 |
|---|
| 22. Upper jaw length | 48.7 | 75 | 46.2 | 36.6-52.5 | 3.0 |
|---|