A new species of Characidium Reinhardt, 1867 (Characiformes: Crenuchidae) endemic to the Atlantic Forest in Paraná State, southern Brazil
Author
Melo, Marcelo R. S.
Departamento de Oceanografia Biológica, Instituto Oceanográfico, Universidade de São Paulo, Praça do Oceanográfico, 191, 05508 - 120 São Paulo, SP, Brazil
melomar@usp.br
Author
Buckup, Paulo A.
Departamento de Vertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, 20940 - 040 Rio de Janeiro, RJ, Brazil
buckup@acd.ufrj.br
Author
Oyakawa, Osvaldo T.
Museu de Zoologia, Universidade de São Paulo, Av. Nazaré, 481, 04218 - 970 São Paulo, SP, Brazil
oyakawa@usp.br
text
Neotropical Ichthyology
2016
Neotrop. Ichthyol.
2016-09-30
14
3
e 160014
1
11
http://dx.doi.org/10.1590/1982-0224-20160014
journal article
314496
10.1590/1982-0224-20160014
0408c902-9bf9-48d0-9a83-1340d375bf2e
1982-0224
4975215
Table 1. Morphometric data for Characidium travassosi, new species. Range values are for holotype (MZUSP 85940) and paratypes (MZUSP 68135, n=3; 68140, n=10; 68142, n=10; 68144, n=10; 85938, n=7); N: total number of specimens examined; SD: Standard Deviation.| Character | Holotype | N | Range | Mean | SD |
|---|
| Total length (mm) | 42.1 | 41 | 35.7-68.8 | 48.5 | |
|---|
| Standard length (mm) | 33.8 | 41 | 29.7-56.3 | 39.6 | 6.3 |
|---|
| Percentage of standard length |
|---|
| Head length | 23.8 | 41 | 23.8-26.7 | 25.0 | 0.8 |
|---|
| Prepectoral distance | 23.1 | 41 | 20.5-25.5 | 23.1 | 0.9 |
|---|
| Pectoral-fin height | 18.3 | 41 | 16.8-23.1 | 19.9 | 1.5 |
|---|
| Predorsal distance | 50.0 | 41 | 45.2-52.0 | 48.4 | 1.3 |
|---|
| Dorsal-fin height | 15.2 | 40 | 11.8-18.5 | 14.9 | 1.5 |
|---|
| Dorsal-fin base | 14.3 | 41 | 12.9-16.9 | 14.6 | 0.9 |
|---|
| Prepelvic distance | 52.0 | 41 | 46.7-55.2 | 51.8 | 1.6 |
|---|
| Pelvic-fin height | 10.5 | 41 | 8.6-14.3 | 11.7 | 1.0 |
|---|
| Preanal distance | 76.8 | 41 | 71.9-79.9 | 75.3 | 1.7 |
|---|
| Anal-apex distance | 94.3 | 41 | 87.1-100.7 | 93.6 | 2.3 |
|---|
| Anus to anal-fin distance | 3.6 | 41 | 2.6-4.7 | 3.6 | 0.5 |
|---|
| Anal-fin height | 13.1 | 41 | 10.1-15.8 | 13.3 | 1.1 |
|---|
| Anal-fin base | 8.6 | 41 | 6.7-9.8 | 7.7 | 0.6 |
|---|
| Body width | 12.8 | 41 | 10.0-13.4 | 11.5 | 0.9 |
|---|
| Peduncle length | 18.9 | 41 | 15.2-20.5 | 17.5 | 1.1 |
|---|
| Body depth at dorsal-fin origin | 23.1 | 41 | 15.9-23.5 | 20.0 | 2.0 |
|---|
| Body depth at anal-fin origin | 17.5 | 41 | 12.2-17.5 | 14.5 | 1.2 |
|---|
| Body depth at caudal-fin peduncle | 12.1 | 41 | 10.2-12.5 | 11.5 | 0.6 |
|---|
| Head length (mm) | 8.0 | 41 | 7.3-15.0 | 9.9 | 1.6 |
|---|
| Percentage of head length |
|---|
| Snout length | 23.8 | 41 | 19.5-26.3 | 22.6 | 1.8 |
|---|
| Snout-maxillary tip | 25.6 | 41 | 23.7-30.2 | 26.5 | 1.7 |
|---|
| Anterior naris-orbit | 8.3 | 41 | 6.8-10.6 | 8.7 | 0.7 |
|---|
| Posterior naris-orbit | 4.2 | 41 | 2.7-5.0 | 3.8 | 0.5 |
|---|
| Cheek | 10.4 | 41 | 6.5-11.3 | 9.2 | 1.0 |
|---|
| Orbital diameter | 25.9 | 41 | 22.1-29.4 | 26.9 | 1.5 |
|---|
| Interorbital diameter | 17.5 | 41 | 12.5-19.3 | 15.7 | 1.7 |
|---|