Published December 31, 2020
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Table 1 in Squalus shiraii sp. nov. (Squaliformes, Squalidae), a new species of dogfish shark from Japan with regional nominal species revisited
Authors/Creators
- 1. South African Institute for Aquatic Biodiversity, Private Bag 1015 Grahamstown, 6140, South Africa & Departamento de Zoologia, Instituto de Biociencias, Universidade de Sao Paulo. Rua do Matao, Travessa 14, no 101, CEP 05508 - 090, Sao Paulo, SP, Brazil
- 2. Departamento de Zoologia, Instituto de Biociencias, Universidade de Sao Paulo. Rua do Matao, Travessa 14, no 101, CEP 05508 - 090, Sao Paulo, SP, Brazil
Description
Table 1. External measurements of S. shiraii sp. nov. expressed as percentage of total length (% TL). Values for the holotype and a paratype (CSIRO H6292-10) of S. formosus are also given for comparisons. TL is expressed in millimeters. H: holotype; N: number of specimens; x: mean; SD: standard deviation.
| Squalus shiraii sp. nov. | S. formosus | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| H | N | Paratypes | x | SD | H | Paratype | x | SD | |
| Total length (mm) | 590.0 | 3 | 365.0-770.0 | 602.5 | 174.6 | 720.0 | 335.0 | 527.5 | 272.2 |
| Precaudal length | 78.3 | 3 | 78.6-80.5 | 79.3 | 1.0 | 78.3 | 77.6 | 78.0 | 0.5 |
| Pre-second dorsal length | 60.5 | 3 | 61.1-63.4 | 61.7 | 1.2 | 59.7 | 59.4 | 59.6 | 0.2 |
| Pre-first dorsal length | 30.5 | 3 | 29.6-31.2 | 30.3 | 0.7 | 28.1 | 29.0 | 28.5 | 0.6 |
| Pre-vent length | 47.3 | 3 | 46.8-48.7 | 47.5 | 0.8 | 47.6 | 46.6 | 47.1 | 0.8 |
| Prepelvic length | 44.1 | 3 | 44.5-46.8 | 45.1 | 1.2 | 43.1 | 44.8 | 43.9 | 1.2 |
| Prepectoral length | 23.8 | 3 | 21.6-23.1 | 22.6 | 1.1 | 21.9 | 20.4 | 21.2 | 1.1 |
| Head length | 24.1 | 3 | 21.9-23.9 | 23.3 | 1.0 | 23.9 | 21.9 | 22.9 | 1.4 |
| Prebranchial length | 20.3 | 3 | 18.2-20.4 | 19.5 | 1.0 | 18.6 | 12.8 | 15.7 | 4.1 |
| Prespiracular length | 13.4 | 3 | 12.2-14.1 | 13.1 | 0.8 | 12.0 | 12.7 | 12.3 | 0.5 |
| Preorbital length | 7.9 | 3 | 7.4-8.1 | 7.7 | 0.3 | 7.0 | 7.4 | 7.2 | 0.3 |
| Prenarial length | 5.5 | 3 | 5.4-5.6 | 5.5 | 0.1 | 4.5 | 4.9 | 4.7 | 0.3 |
| Preoral length | 10.4 | 3 | 9.4-10.8 | 10.0 | 0.7 | 8.7 | 9.6 | 9.2 | 0.6 |
| Inner nostril-labial furrow space | 4.9 | 3 | 4.3-5.0 | 4.7 | 0.4 | 4.2 | 4.7 | 4.5 | 0.3 |
| Mouth width | 8.0 | 3 | 7.2-7.4 | 7.4 | 0.4 | 7.7 | 7.8 | 7.8 | 0.1 |
| Labial furrow length | 2.4 | 3 | 1.8-2.3 | 2.2 | 0.3 | 2.3 | 2.3 | 2.3 | 0.0 |
| Internarial space | 4.8 | 3 | 4.1-4.8 | 4.6 | 0.3 | 4.1 | 4.3 | 4.2 | 0.2 |
| Interorbital space | 8.4 | 3 | 7.6-8.5 | 8.2 | 0.4 | 8.0 | 8.8 | 8.4 | 0.6 |
| Eye length | 4.9 | 3 | 4.4-5.8 | 4.9 | 0.6 | 4.6 | 5.2 | 4.9 | 0.5 |
| Eye height | 1.6 | 3 | 1.7-2.4 | 1.9 | 0.3 | 1.8 | 2.3 | 2.0 | 0.3 |
| Spiracle length | 1.5 | 3 | 1.0-1.3 | 1.3 | 0.2 | 1.5 | 1.9 | 1.7 | 0.2 |
| First gill-slit height | 1.2 | 3 | 1.2-1.7 | 1.3 | 0.3 | 2.0 | 1.9 | 2.0 | 0.1 |
| Fifth gill-slit height | 1.7 | 3 | 1.9-2.1 | 1.9 | 0.2 | 2.3 | 2.3 | 2.3 | 0.0 |
| Interdorsal space | 23.8 | 3 | 24.0-25.7 | 24.6 | 0.9 | 25.1 | 24.3 | 24.7 | 0.6 |
| Dorsal-caudal space | 10.3 | 3 | 9.1-10.9 | 10.1 | 0.8 | 10.1 | 10.5 | 10.3 | 0.3 |
| Pectoral-pelvic space | 19.6 | 3 | 17.1-22.9 | 19.9 | 2.4 | 21.3 | 18.9 | 20.1 | 1.7 |
| Pelvic-caudal space | 27.3 | 3 | 25.5-26.7 | 26.5 | 0.8 | 27.4 | 26.4 | 26.9 | 0.7 |
| First dorsal-fin length | 12.6 | 3 | 12.7-13.4 | 13.0 | 0.4 | 14.2 | 13.0 | 13.6 | 0.9 |
| First dorsal-fin anterior margin | 11.3 | 3 | 10.6-11.7 | 11.3 | 0.5 | 12.9 | 12.9 | 12.9 | 0.0 |
| First dorsal-fin base length | 7.7 | 3 | 7.0-8.7 | 7.9 | 0.7 | 8.1 | 7.4 | 7.8 | 0.5 |
| First dorsal-fin height | 8.1 | 3 | 7.9-8.8 | 8.3 | 0.4 | 10.0 | 9.0 | 9.5 | 0.7 |
| First dorsal-fin inner margin | 4.8 | 3 | 4.7-5.4 | 5.0 | 0.3 | 6.0 | 6.0 | 6.0 | 0.0 |
| First dorsal-fin posterior margin | 9.2 | 3 | 8.4-9.3 | 9.0 | 0.4 | 10.2 | 9.5 | 9.8 | 0.5 |
| First dorsal-fin spine length | 3.9 | 3 | 3.3-4.3 | 3.8 | 0.4 | 6.3 | 3.4 | 4.8 | 2.1 |
| First dorsal-fin spine base width | 0.9 | 3 | 0.9-0.9 | 0.9 | 0.0 | 1.1 | 0.9 | 1.0 | 0.2 |
| Second dorsal-fin length | 11.3 | 3 | 9.9-11.9 | 11.2 | 0.9 | 12.8 | 13.6 | 13.2 | 0.6 |
| Second dorsal-fin anterior margin | 10.7 | 3 | 9.7-11.3 | 10.5 | 0.7 | 11.9 | 12.6 | 12.3 | 0.5 |
| Second dorsal-fin base length | 7.8 | 3 | 6.7-7.7 | 7.3 | 0.5 | 7.7 | 8.3 | 8.0 | 0.4 |
| Second dorsal-fin height | 5.6 | 3 | 5.7-6.6 | 6.0 | 0.5 | 6.9 | 7.0 | 6.9 | 0.1 |
| Second dorsal-fin inner margin | 3.6 | 3 | 3.2-4.7 | 3.9 | 0.7 | 5.2 | 5.6 | 5.4 | 0.3 |
| Second dorsal-fin posterior margin | 4.7 | 3 | 4.7-5.0 | 4.8 | 0.2 | 5.9 | 5.6 | 5.8 | 0.2 |
| Second dorsal-fin spine length | 5.0 | 3 | 4.3-5.3 | 4.9 | 0.5 | 5.9 | 5.5 | 5.7 | 0.3 |
| Second dorsal-fin spine base width | 0.7 | 3 | 0.7-0.8 | 0.7 | 0.0 | 0.9 | 1.0 | 1.0 | 0.0 |
| Pectoral-fin anterior margin length | 14.4 | 3 | 13.9-15.4 | 14.4 | 0.7 | 16.1 | 13.2 | 14.7 | 2.1 |
| Pectoral-fin inner margin length | 7.3 | 3 | 7.6-8.3 | 7.8 | 0.4 | 8.1 | 9.3 | 8.7 | 0.8 |
| Pectoral-fin base length | 4.7 | 3 | 4.3-9.4 | 5.8 | 2.5 | 5.7 | 4.5 | 5.1 | 0.8 |
| Pectoral-fin posterior margin length | 10.0 | 3 | 4.4-10.7 | 8.4 | 2.8 | 12.3 | 10.1 | 11.2 | 1.5 |
| Pelvic length | 10.7 | 3 | 9.5-9.9 | 10.0 | 0.5 | 11.1 | 10.5 | 10.8 | 0.4 |
| Pelvic-fin inner margin length | 5.4 | 3 | 4.5-5.1 | 5.0 | 0.4 | 6.5 | 5.6 | 6.1 | 0.6 |
| Dorsal caudal margin length | 20.6 | 3 | 20.0-21.5 | 20.7 | 0.6 | 21.5 | 22.5 | 22.0 | 0.7 |
| Preventral caudal margin length | 9.7 | 3 | 10.2-11.0 | 10.3 | 0.5 | 11.5 | 10.8 | 11.2 | 0.5 |
| Caudal fork width | 6.4 | 3 | 5.7-6.4 | 6.1 | 0.3 | 6.8 | 6.2 | 6.5 | 0.4 |
| Head width at nostrils | 7.1 | 3 | 6.9-7.2 | 7.0 | 0.1 | 6.8 | 7.6 | 7.2 | 0.6 |
| Head width at mouth | 11.4 | 3 | 11.2-12.1 | 11.6 | 0.4 | 11.6 | 12.0 | 11.8 | 0.3 |
| Head width | 13.1 | 3 | 11.8-14.1 | 12.8 | 1.0 | 13.7 | 12.3 | 13.0 | 1.0 |
| Trunk width | 11.7 | 3 | 9.8-12.3 | 11.0 | 1.2 | 11.4 | 12.2 | 11.8 | 0.5 |
| Abdomen width | 9.9 | 3 | 8.2-11.7 | 9.7 | 1.5 | 8.5 | 10.1 | 9.3 | 1.1 |
| Head height | 9.6 | 3 | 8.8-11.1 | 10.0 | 1.0 | 10.9 | 10.5 | 10.7 | 0.3 |
| Trunk height | 10.1 | 3 | 8.8-12.2 | 10.6 | 1.5 | 12.1 | 12.5 | 12.3 | 0.3 |
| Abdomen height | 10.9 | 3 | 8.6-13.4 | 11.1 | 2.0 | 10.9 | 12.1 | 11.5 | 0.8 |
| Clasper outer length | 3.3 | 2 | 1.0-3.4 | 2.6 | 1.3 | 3.6 | - | 3.6 | - |
| Clasper inner length | 6.3 | 2 | 1.5-5.9 | 4.5 | 2.7 | 7.2 | - | 7.2 | - |
Notes
Published as part of Viana, Sarah T. F. L. & Carvalho, Marcelo R. de, 2020, Squalus shiraii sp. nov. (Squaliformes, Squalidae), a new species of dogfish shark from Japan with regional nominal species revisited, pp. 275 in Zoosystematics and Evolution 96 (2) on page 275, DOI: 10.3897/zse.96.51962
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