Published November 21, 2014
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Table 1 in A new spiny species of Hypostomus Lacépède (Loricariidae: Hypostominae) from thermal waters, upper rio Paraná basin, central Brazil
Authors/Creators
- 1. UNESP, Universidade Estadual Paulista " Júlio de Mesquita Filho ", Instituto de Biociências, Letras e Ciências Exatas, Departamento de Zoologia e Botânica, Laboratório de Ictiologia. Rua Cristóvão Colombo, 2265, 15054 - 000 São José do Rio Preto, SP, Brazil.
- 2. UEM, Universidade Estadual de Maringá, Departamento de Biologia e Nupélia, Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura. Av. Colombo, 5790, 87020 - 900 Maringá-PR, Brazil
Description
Table 1. Morphometric and meristic data of the holotype and 29 paratypes of Hypostomus yaku. Means are presented for measurements, and modes for counts. The range includes the holotype. SD = Standard deviation.
| Hypostomus yaku | |||||
|---|---|---|---|---|---|
| Holotype | Low | High | Mean | SD | |
| Standard length | 70.8 | 41.3 | 70.8 | 51.4 | 7.2 |
| Percentages of standard length | |||||
| Predorsal length | 41.5 | 41.3 | 45.8 | 43.3 | 1.0 |
| Head length | 33.0 | 33.0 | 37.3 | 35.4 | 1.2 |
| Interdorsal distance | 17.5 | 15.8 | 20.2 | 17.7 | 1.1 |
| Thoracic width | 21.6 | 19.1 | 24.0 | 21.1 | 1.0 |
| Abdominal width | 20.7 | 18.4 | 21.9 | 20.4 | 0.9 |
| Caudal peduncle length | 31.2 | 29.4 | 33.1 | 30.9 | 1.0 |
| Caudal peduncle depth | 9.4 | 8.7 | 9.9 | 9.4 | 0.3 |
| First dorsal-fin ray length | 23.1 | 21.2 | 26.7 | 24.2 | 1.1 |
| Dorsal-fin base length | 24.1 | 21.8 | 25.2 | 23.5 | 0.8 |
| First pectoral-fin ray length | 24.6 | 23.6 | 27.8 | 26.0 | 1.0 |
| First pelvic-fin ray length | 24.0 | 22.1 | 26.3 | 24.5 | 1.3 |
| Upper caudal-fin ray length | 26.2 | 25.9 | 32.3 | 28.7 | 1.9 |
| Lower caudal-fin ray length | 29.1 | 29.8 | 36.9 | 33.2 | 1.9 |
| Adipose-fin spine length | 7.4 | 7.1 | 9.0 | 8.0 | 0.6 |
| Cleithral width | 31.1 | 30.1 | 33.8 | 31.5 | 0.9 |
| Percentages of head length | |||||
| Head depth | 47.4 | 46.1 | 52.6 | 49.4 | 1.8 |
| Snout length | 62.4 | 58.2 | 66.1 | 63.6 | 1.6 |
| Interorbital width | 33.8 | 31.6 | 36.1 | 34.1 | 1.2 |
| Orbital diameter | 14.4 | 13.9 | 16.9 | 15.5 | 0.9 |
| Lower lip width | 61.3 | 49.5 | 61.7 | 56.7 | 4.1 |
| Lower lip length | 19.2 | 13.7 | 19.6 | 16.7 | 1.6 |
| Mandibular ramus length | 18.1 | 10.2 | 18.9 | 14.3 | 2.3 |
| Maxillary barbel length | 9.0 | 6.1 | 12.8 | 9.5 | 1.7 |
| Other proportions | |||||
| Orbital diameter in snout length | 23.0 | 22.0 | 26.9 | 24.3 | 1.5 |
| Orbital diameter in interorbital width | 42.5 | 40.0 | 51.1 | 45.3 | 3.0 |
| Mandibulary width in interorbital width | 53.6 | 29.3 | 56.8 | 42.1 | 7.4 |
| First dorsal fin ray length in predorsal length | 55.7 | 49.8 | 60.6 | 55.8 | 2.6 |
| First pectoral ray length in predorsal length | 59.2 | 55.4 | 64.0 | 59.9 | 2.4 |
| Lower caudal ray length in predorsal length | 70.1 | 69.9 | 84.9 | 76.5 | 3.9 |
| Adipose ray length in caudal peduncle depth | 78.7 | 72.8 | 97.3 | 85.0 | 6.5 |
| Caudal peduncle depth in Caudal peduncle length | 30.3 | 27.5 | 33.2 | 30.5 | 1.5 |
| Mandibulary width in cleithral width | 19.2 | 11.5 | 22.1 | 16.1 | 2.6 |
| Interdorsal length in dorsal base length | 72.4 | 66.2 | 85.4 | 75.3 | 5.1 |
| Lower lip length in lower lip width | 31.3 | 24.0 | 33.0 | 29.4 | 2.3 |
| Counts | |||||
| Holotype | Low | High | Mode | ||
| Lateral series plates | 24 | 23 | 25 | 24 | |
| Predorsal plates | 3 | 3 | 3 | 3 | |
| Plates between dorsal and adipose fins | 5 | 5 | 7 | 6 | |
| Plates between adipose and caudal fins | 3 | 2 | 4 | 3 | |
| Plates below anal-fin base | 2 | 2 | 3 | 2 | |
| Dorsal procurrent rays | 5 | 4 | 5 | 5 | |
| Ventral procurrent rays | 4 | 2 | 4 | 4 | |
| Premaxillary teeth | 62 | 27 | 69 | 43 | |
| Dentary teeth | 53 | 31 | 72 | 49 | |
Notes
Published as part of Martins, Fernanda O., Langeani, Francisco & Zawadzki, Cláudio H., 2014, A new spiny species of Hypostomus Lacépède (Loricariidae: Hypostominae) from thermal waters, upper rio Paraná basin, central Brazil, pp. 733 in Neotropical Ichthyology 12 (4) on page 733, DOI: 10.1590/1982-0224-20140035, http://zenodo.org/record/12718686
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