Two new species of the Hypostomus cochliodon group (Siluriformes: Loricariidae) from the rio Negro basin in Brazil
Author
Carvalho, Pedro Hollanda
Museu de Zoologia da Universidade de São Paulo, CP 42494, 04299 - 970 São Paulo, SP, Brazil
hollandacarvalho@gmail.com
Author
Lima, Flávio C. T.
Museu de Zoologia da Universidade de São Paulo, CP 42494, 04299 - 970 São Paulo, SP, Brazil
fctlima@usp.br
Author
Zawadzki, Cláudio H.
Universidade Estadual de Maringá / Nupélia. Av. Colombo, 5790, 87020 - 900 Maringá, PR, Brazil
chzawadzki@nupelia.uem.br
text
Neotropical Ichthyology
2010
2010-03-31
8
1
39
48
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252010000100006&lng=en&tlng=en
journal article
313274
10.1590/S1679-62252010000100006
aa55d14c-aece-485f-acb9-a7077b172495
1982-0224
5421862
Table 1. Morphometric data of Hypostomus weberi (holotype and paratypes) and H. kopeyaka (type series, including holotype and paratypes, and non-type specimens). | Hypostomus weberi | Hypostomus kopeyaka (type series) | Hypostomus kopeyaka (non-types) |
|---|
| n | Holotype Range Mean+SD | n | Holotype Range Mean+SD | n | Range | Mean+SD |
|---|
| Standard length in mm | 10 | 149.3 107.0-174.5 - | 3 | 226.1 | 152.8-188.3 - | 7 | 112.1-226.1 | - |
|---|
| Percents of standard length |
|---|
| Predorsal distance | 10 | 38.9 | 37.5-40.6 | 39.0+1.2 | 4 | 37.2 | 37.2 -38.7 | 38.0+0.6 | 7 | 36.9-39.0 | 38.0+0.7 |
|---|
| Head length | 10 | 32.8 | 31.6-34.8 | 32.9+1.2 | 4 | 30.5 | 30.4 -32.4 | 31.2+1.0 | 7 | 30.3-32.6 | 31.9+0.8 |
|---|
| Dorsal-fin spine length | 6 | 32.0 | 29.9-37.8 | 33.8+2.9 | 4 | 27.7 | 27.7-30.4 | 29.1+1.3 | 6 | 29.2-33.0 | 30.9+1.4 |
|---|
| Dorsal-fin base length | 10 | 29.8 | 27.0-30.2 | 28.9+1.0 | 4 | 28.0 | 28.0-28.8 | 28.3+0.4 | 7 | 26.5-29.0 | 28.0+0.9 |
|---|
| Interdorsal length | 10 | 20.4 | 17.1-21.1 | 18.9+1.4 | 4 | 21.4 | 20.8-21.9 | 21.4+0.4 | 7 | 18.5-21.6 | 20.1+1.0 |
|---|
| Thoracic length | 10 | 25.7 | 19.1-26.2 | 23.8+2.0 | 4 | 22.7 | 21.9-25.2 | 23.5+1.5 | 7 | 23.9-27.2 | 24.9+1.2 |
|---|
| Pectoral-fin spine length | 10 | 32.9 | 31.5-32.9 | 32.3+0.5 | 4 | 33.3 | 29.9-33.5 | 32.5+1.7 | 7 | 27.8-34.3 | 31.3+2.2 |
|---|
| Abdominal length | 10 | 20.2 | 18.9-21.4 | 20.6+0.7 | 4 | 20.3 | 20.3-21.8 | 20.8+0.7 | 7 | 19.6-22.1 | 20.7+0.8 |
|---|
| Pelvic-fin spine length | 10 | 26.5 | 23.9-27.6 | 25.5+1.1 | 4 | 22.9 | 22.5-25.2 | 23.8+1.3 | 7 | 21.9-27.2 | 24.0+1.8 |
|---|
| Caudal-peduncle length | 10 | 31.7 | 30.4-32.4 | 31.3+0.6 | 4 | 33.1 | 31.6-33.1 | 32.4+0.7 | 7 | 31.2-35.0 | 32.7+1.3 |
|---|
| Caudal-peduncle depth | 10 | 9.9 | 9.1-10.0 | 9.7+0.3 | 4 | 8.8 | 7.8-8.9 | 8.6+0.5 | 7 | 8.0-8.8 | 8.4+0.3 |
|---|
| Anal-fin width | 10 | 17.7 | 17.1-19.4 | 17.6+0.7 | 4 | 15.9 | 15.9-16.8 | 16.4+0.4 | 7 | 14.6-21.0 | 18.3+2.2 |
|---|
| Folded dorsal-fin length | 10 | 45.8 | 41.7-48.2 | 44.8+2.1 | 4 | 46.3 | 43.0-47.1 | 45.0+2.0 | 7 | 36.9-54.1 | 44.6+5.9 |
|---|
| Snout-opercle length | 10 | 24.3 | 24.1-26.1 | 24.7+0.6 | 4 | 22.3 | 21.4-22.7 | 22.2+0.5 | 7 | 18.9-25.5 | 23.2+2.4 |
|---|
| Dorsal-caudal length | 10 | 33.2 | 31.6-37.1 | 34.1+1.8 | 4 | 36.3 | 36.3-37.9 | 37.0+0.7 | 7 | 30.8-43.4 | 36.2+4.3 |
|---|
| Upper caudal ray length | _ | _ | _ | _ | _ | 27.6 | _ | _ | 7 | 27.5-45.5 | 39.3+6.0 |
|---|
| Lower caudal ray length | _ | _ | _ | _ | _ | 30.0 | _ | _ | 7 | 41.7-49.0 | 44.6+3.2 |
|---|
| Cleithral width | 10 | 30.8 | 29.8-32.0 | 31.1+0.6 | 4 | 28.1 | 27.1-28.1 | 27.6+0.5 | 7 | 25.0-28.6 | 26.5+1.2 |
|---|
| Head depth | 10 | 22.9 | 21.6-24.2 | 23.0+0.7 | 4 | 20.4 | 20.4-21.6 | 20.9+0.6 | 7 | 19.3-21.6 | 20.7+0.8 |
|---|
| Percents of head length |
|---|
| Snout length | 10 | 63.3 | 59.4-64.0 | 61.9+1.4 | 4 | 62.1 | 58.0-62.1 | 60.7+1.8 | 7 | 58.4-62.6 | 60.3+1.6 |
|---|
| Orbital diameter | 10 | 20.0 | 19.5-23.0 | 20.8+1.0 | 4 | 16.0 | 16.0-18.5 | 17.4+1.1 | 7 | 16.8-19.5 | 18.5+1.1 |
|---|
| Interorbital width | 10 | 50.0 | 47.2-52.7 | 50.7+1.5 | 4 | 45.4 | 45.4-51.2 | 47.3+2.7 | 7 | 45.0-51.5 | 48.3+2.1 |
|---|
| Dentary length | 10 | 12.5 | 11.8-13.6 | 12.6+0.7 | 4 | 12.0 | 11.3-12.3 | 11.8+0.4 | 7 | 10.6-12.5 | 11.6+0.7 |
|---|
| Percents of caudal peduncle length |
|---|
| Caudal-peduncle depth | 10 | 30.2 | 28.6-32.1 | 31.0+1.1 | 4 | 26.7 | 23.9-27.9 | 26.4+2.2 | 7 | 24.2-27.0 | 25.8+1.0 |
|---|
| Adipose-fin spine length | 10 | 24.9 | 23.3-29.0 | 25.9+1.8 | 4 | 23.9 | 20.6-24.2 | 22.5+1.8 | 7 | 20.6-25.0 | 22.0+1.7 |
|---|