Published June 30, 2013
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Table 4 in Taxonomic review of the genus Trichomycterus Valenciennes (Siluriformes: Trichomycteridae) from the laguna dos Patos system, Southern Brazil
Authors/Creators
- 1. Programa de Pós-Graduação em Biologia Animal, Departamento de Zoologia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, 91501 - 970 Porto Alegre, RS, Brazil
Description
Table 4. Morphometric data for holotype and paratypes of Trichomycterus brachykechenos. SD = standard deviation; N = number of specimens.
| Holotype | Range | Mean | SD | N | |
|---|---|---|---|---|---|
| Standard length (mm) | 61.1 | 26.3-70.9 | 46.4 | - | 15 |
| Percent of Standard Length | |||||
| Head length | 20.4 | 19.9-24.0 | 21.6 | 1.10 | 15 |
| Predorsal length | 65.0 | 62.9-66.7 | 65.1 | 1.09 | 15 |
| Prepelvic length | 55.4 | 55.4-58.1 | 56.7 | 0.92 | 15 |
| Preanal length | 69.7 | 69.0-72.8 | 71.0 | 1.16 | 15 |
| Scapular girdle width | 13.6 | 13.6-15.6 | 14.7 | 0.67 | 14 |
| Trunk length | 35.6 | 34.2-37.8 | 36.3 | 1.21 | 15 |
| Pectoral-fin length | 13.7 | 12.9-15.6 | 14.3 | 0.72 | 15 |
| Pelvic-fin length | 9.7 | 9.1-10.8 | 9.9 | 0.41 | 15 |
| Distance between pelvic-fin base and anus | 11.5 | 9.8-11.7 | 10.6 | 0.66 | 15 |
| Caudal peduncle length | 19.6 | 18.3-21.8 | 20.1 | 0.81 | 15 |
| Caudal peduncle depth | 9.9 | 9.9-12.5 | 11.5 | 0.81 | 15 |
| Body depth | 12.8 | 12.6-19.6 | 14.8 | 1.86 | 15 |
| Length of dorsal-fin base | 12.6 | 10.5-12.7 | 11.6 | 0.69 | 15 |
| Length of anal-fin base | 8.0 | 7.3-10.4 | 9.0 | 0.89 | 15 |
| Percent of Head Length | |||||
| Head width | 85.5 | 79.5-89.6 | 83.9 | 3.17 | 15 |
| Nasal barbel length | 72.6 | 55.3-74.3 | 66.2 | 6.41 | 14 |
| Maxillary barbel length | 73.0 | 68.2-87.7 | 78.9 | 5.57 | 15 |
| Rictal barbel length | 71.8 | 56.5-79.3 | 69.7 | 6.36 | 15 |
| Snout length | 42.6 | 38.1-42.6 | 40.2 | 1.35 | 14 |
| Interorbital | 21.9 | 18.3-23.3 | 21.2 | 1.33 | 15 |
| Mouth width | 52.8 | 45.0-52.8 | 48.6 | 2.10 | 15 |
| Eye diameter | 10.0 | 7.9-11.2 | 9.5 | 0.84 | 15 |
| Supra-orbital pore distance | 10.6 | 10.2-16.1 | 12.7 | 2.11 | 15 |
Notes
Published as part of Ferrer, Juliano & Malabarba, Luiz R., 2013, Taxonomic review of the genus Trichomycterus Valenciennes (Siluriformes: Trichomycteridae) from the laguna dos Patos system, Southern Brazil, pp. 238 in Neotropical Ichthyology 11 (2) on page 238, DOI: 10.1590/S1679-62252013000200001, http://zenodo.org/record/4647169
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