A new species of Hemiancistrus from the rio Araguaia basin, Goiás state, Brazil (Siluriformes: Loricariidae)
Author
de Souza, Lesley S.
Department of Biological Sciences, Auburn University, 331 Funchess, Auburn, AL 36849, USA
desouls@auburn.edu
Author
Melo, Marcelo R. S.
Department of Biological Sciences, Auburn University, 331 Funchess, Auburn, AL 36849, USA
melomar@auburn.edu
Author
Chamon, Carine C.
Museu de Zoologia da Universidade de São Paulo, Seção de Ictiologia, Av. Nazaré, 481, Ipiranga, Caixa Postal 42494, 04299 - 970 São Paulo, SP, Brazil
chamon@ib.usp.br
Author
Armbruster, Jonathan W.
Department of Biological Sciences, Auburn University, 331 Funchess, Auburn, AL 36849, USA
armbrjw@auburn.edu
text
Neotropical Ichthyology
2008
2008-12-31
6
3
419
419
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252008000300015&lng=en&tlng=en
journal article
312358
10.1590/S1679-62252008000300015
2f00c8f4-89c4-4cd4-af75-41f6c02d5ed1
1982-0224
5419852
Table 1. Selected morphometrics of Hemiancistrus cerrado. Numbers in parentheses refer to landmark numbers in Armbruster (2003). Measurements are ratios of SL (predorsal length to pelvic-dorsal length) or head length (head-eye length to premaxillary tooth cup length). | N | Avg. | SD Min. | Max. | Holotype |
|---|
| SL (1-20) | 13 100.2 33.8 | 50.8 170.4 | 125.25 |
|---|
| Predorsal L. (1-10) | 13 | 41.6 | 2.2 | 39.1 | 46.0 | 40.7 |
|---|
| Head L. (1-7) | 13 | 33.8 | 1.8 | 30.9 | 36.8 | 32.0 |
|---|
| Head-dorsal L. (7-10) | 13 | 8.4 | 0.7 | 7.6 | 10.3 | 8.5 |
|---|
| Cleithral W. (8-9) | 13 | 32.1 | 1.5 | 30.1 | 36.0 | 30.1 |
|---|
| Head-pectoral L. (1-12) | 13 | 26.6 | 4.7 | 12.6 | 30.5 | 28.7 |
|---|
| Thorax L. (12-13) | 13 | 24.1 | 2.7 | 21.8 | 32.5 | 22.2 |
|---|
| Pectoral-spine L. (12-29) | 13 | 31.2 | 3.1 | 24.5 | 35.5 | 33.1 |
|---|
| Abdominal L. (13-14) | 13 | 24.3 | 2.0 | 22.0 | 29.8 | 25.0 |
|---|
| Pelvic-spine L. (13-30) | 13 | 24.5 | 0.9 | 22.8 | 26.4 | 23.8 |
|---|
| Postanal L. (14-15) | 13 | 33.8 | 1.1 | 32.3 | 36.0 | 35.2 |
|---|
| Anal-fin spine L. (14-31) | 13 | 10.4 | 0.6 | 9.7 | 11.7 | 10.1 |
|---|
| Dorsal-pectoral D. (10-12) | 13 | 27.9 | 1.3 | 26.1 | 30.9 | 26.5 |
|---|
| Dorsal spine L. (10-11) | 11 | 28.8 | 1.5 | 25.8 | 31.4 | 29.0 |
|---|
| Dorsal-pelvic D. (10-13) | 13 | 22.4 | 2.5 | 17.5 | 25.4 | 21.2 |
|---|
| Dorsal-fin base L. (10-16) | 13 | 27.2 | 1.5 | 24.4 | 29.7 | 27.2 |
|---|
| Dorsal-adipose D. (16-17) | 13 | 14.9 | 2.3 | 11.7 | 18.1 | 14.4 |
|---|
| Adipose-spine L. (17-18) | 13 | 11.7 | 1.4 | 9.4 | 13.6 | 11.5 |
|---|
| Adipose-up. caudal D. (17-19) | 13 | 15.3 | 1.1 | 13.6 | 17.4 | 15.2 |
|---|
| Caudal peduncle Dp. (15-19) | 13 | 11.4 | 0.4 | 10.7 | 12.1 | 11.9 |
|---|
| Adipose-low. caudal D. (15-17) | 13 | 22.2 | 1.5 | 18.5 | 24.4 | 24.4 |
|---|
| Adipose-anal D. (14-17) | 13 | 19.1 | 1.4 | 17.4 | 21.7 | 18.9 |
|---|
| Dorsal-anal D. (14-16) | 13 | 15.0 | 0.8 | 13.9 | 16.6 | 13.9 |
|---|
| Pelvic-dorsal D. (13-16) | 13 | 27.1 | 1.9 | 25.1 | 31.7 | 26.3 |
|---|
| Head-eye L. (5-7) | 13 | 35.5 | 1.6 | 33.6 | 39.6 | 35.9 |
|---|
| Orbit Dia. (4-5) | 13 | 17.4 | 2.0 | 14.2 | 20.7 | 14.7 |
|---|
| Snout L. (1-4) | 13 | 64.5 | 1.8 | 61.0 | 67.5 | 65.9 |
|---|
| Internares W. (2-3) | 13 | 17.6 | 1.6 | 15.9 | 21.1 | 17.3 |
|---|
| Interorbital W. (5-6) | 13 | 36.9 | 1.6 | 34.7 | 40.0 | 38.8 |
|---|
| Mouth L. (1-24) | 13 | 50.4 | 5.7 | 36.0 | 56.9 | 54.8 |
|---|
| Mouth W. (21-22) | 13 | 66.0 | 4.7 | 59.8 | 74.7 | 74.7 |
|---|
| Barbel L. (22-23) | 13 | 7.1 | 1.2 | 5.4 | 9.7 | 7.0 |
|---|
| Dentary tooth cup L. (25-26) | 13 | 25.1 | 1.8 | 21.9 | 28.2 | 27.4 |
|---|
| Premax. tooth cup L. (27-28) | 13 | 24.6 | 1.6 | 22.0 | 27.3 | 26.0 |
|---|