Scyliorhinus ugoi, a new species of catshark from Brazil (Chondrichthyes: Carcharhiniformes: Scyliorhinidae)
Author
Soares, Karla D. A.
Author
Gadig, Otto F. B.
Author
Gomes, Ulisses L.
text
Zootaxa
2015
3937
2
347
361
journal article
41731
10.11646/zootaxa.3937.2.6
1c07ebfb-47ef-4aa4-aa8b-652fa505657c
1175-5326
243845
E654E1ED-708D-4537-A7EC-8FFF8EC2DCF4
TABLE 1. Measurements in millimeters and proportions as percentage of total length for Scyliorhinus ugoi sp. nov. Mean (x), standard deviation (SD) and range of proportions (%). | x SD | % | x SD | % |
|---|
| Total length (TL) | 516 ±68.1 | 100 | 354.4 ±78.7 | 100 |
|---|
| Precaudal length | 393.7± 55.7 | 74.7–76.8 | 275.6 ±63.5 | 76.5–77.9 |
|---|
| Eye-spiracle length | 6.1 ± 1.3 | 0.9–1.3 | 3.3 ±1.2 | 0.6–1.3 |
|---|
| Preoral length | 23.8 ±4.7 | 4.3–5.6 | 16.9 ±3.2 | 4.3–4.7 |
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| Preorbital length | 32.6 ±3.8 | 6.4 | 23.2 ±4.5 | 6.2–8.0 |
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| Prespiracular length | 53.1 ±5.9 | 10.4–10.7 | 37.6 ±7.7 | 10.6–10.7 |
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| Prebranchial length | 76.6 ±11.4 | 14.5–15.2 | 54.2±11.9 | 14.8–15.4 |
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| Head length | 103.2 ±14.3 | 19.5–20.3 | 71 ±16.1 | 18.7–19.2 |
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| Prepectoral length | 94.0 ±12.1 | 17.9 | 66 ±15.3 | 16.1–18.2 |
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| Prepelvic length | 217.5±33.8 | 41.0–43.4 | 148 ±33.5 | 38.2–43.7 |
|---|
| Snout-vent length | 232.2±34.9 | 43.6–45.4 | 152 ±33.9 | 40.9–42.3 |
|---|
| Vent-caudal length | 262.5 ±43.4 | 53.7–55.3 | 189.6 ±40.9 | 51.3–58.3 |
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| Preanal length | 314.1 ±50.3 | 59.1–64.4 | 213.2 ±51.4 | 55–62.7 |
|---|
| Pre-first dorsal length | 257.5 ±38.2 | 48.4–51.2 | 177 ±41.3 | 44.9–51.3 |
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| Interdorsal space | 57.2 ±9.5 | 10.9–11.0 | 40.4 ±13.5 | 7.0–10.7 |
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| Dorsal-caudal space | 22.3 ±4.7 | 4.2– 5.1 | 18.2 ±3.9 | 5.8–6.7 |
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| Pectoral-pelvic space | 96.3 ±16.4 | 17.6–20.1 | 63.5 ±15.9 | 10–20.3 |
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| Pelvic-anal space | 59.7 ±13.3 | 10.5–12.8 | 44.1 ±12.3 | 12.7–14.6 |
|---|
| Anal-caudal space | 39.2 ±5.6 | 7.4–7.6 | 28.5 ±6.5 | 8.7–8.9 |
|---|
| Eye length | 19.8 ±2.8 | 3.8–4.0 | 13.6 ±3.4 | 3.3–4.3 |
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| Eye height | 3.8 ±0.3 | 0.9–1.4 | 4.7 ±1.1 | 1.3–1.5 |
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| Internarial space | 10.1 ±3.6 | 1.4–2.4 | 9 ±3.4 | 2.0–4.0 |
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| Interorbital space | 31.1 ±3.1 | 6.1–6.6 | 24.3 ±4.8 | 6.4–7.3 |
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| Spiracle length | 4.3 ±1.1 | 0.4–0.9 | 2.6 ±1.1 | 0.6–1.3 |
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| Mouth length | 23.5 ±5.0 | 3.7–5. 1 | 14.9 ±4.8 | 4.7–5.6 |
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| Mouth width | 46.6 ±7.4 | 9.0–9.7 | 27.8 ±6.4 | 8.0 |
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| Lower labial furrow length | 10.6 ±1.9 | 1.9–2.1 | 6.6 ±1.8 | 1.3–2.0 |
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| First gill slit height | 15.2 ±2.7 | 2.8–3.1 | 9 ±2.3 | 2.0–2.8 |
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| Fifth gill slit height | 8.6 ±2.3 | 0.9–1.8 | 4.7 ±1.3 | 1.3–1.9 |
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| Pectoral length | 68.5 ±7.4 | 12.8–13.6 | 41 ±11.4 | 10.7–13.8 |
|---|
| Pectoral anterior margin | 74.6 ±9.0 | 14.5–15.0 | 47.5 ±11.9 | 12.7–15.6 |
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| Pectoral base | 34.1 ±10.3 | 3.1–7.2 | 24.3 ±7.1 | 6.7–9.7 |
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| Pectoral posterior margin | 45.6 ±6.3 | 8.7–9.0 | 30 ±8.8 | 5.3–8.9 |
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| Pectoral inner margin | 32.2 ±2.3 | 5.9–7.1 | 21.9 ±5.8 | 5.3–7.6 |
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| Pelvic length | 54.3 ±10.1 | 9.0–10.5 | 37.58 ±11.4 | 8.7–12.5 |
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| Pelvic inner margin | 18.0 ±3.1 | 3.1–3.8 | 16.3 ±6.7 | 4–6.8 |
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| Pelvic base | 38.0 ±11.0 | 6.4–8.9 | 24.4 ±6.6 | 4.7–8.0 |
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| Pelvic anterior margin | 36.0 ±5.8 | 6.6–7.4 | 23 ±6.1 | 5.3–7.0 |
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| Pelvic posterior margin | 33.6 ±4.8 | 6.4–6.6 | 22.7 ±7.2 | 3.2–7.4 |
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| Clasper outer length | 20.3 ±4.5 | 3.8–4.1 | 16.8 ±8.1 | 2.0–6.2 |
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| Clasper inner length | 44.5 ±14.8 | 8.1–9.0 | 35.7 ±12.6 | 6.0–10.4 |
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| Clasper base width | 3.5 ±2.1 | 0.4–0.8 | 4 ±1.4 | 0.6–1.1 |
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| Anal base | 39.8 ±8.0 | 5.7–7.7 | 30.2 ±6.3 | 8.0–8.7 |
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| Anal anterior margin | 44.1±6.3 | 8.3–8.7 | 28.1 ±6.3 | 8.0–8.7 |
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| Anal posterior margin | 26.8 ±3.1 | 5.1–5.4 | 17.6 ±4.9 | 4.7–6.0 |
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| Anal inner margin | 13.5 ±2.3 | 2.6–2.9 | 9 ±3.7 | 2.0–4.9 |
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| Anal height | 22.3 ±3.8 | 4.2–4.6 | 13 ±3.6 | 3.3–5.1 |
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| First dorsal anterior margin | 51.1 ±6.3 | 9.7–10.0 | 34.9 ±8.5 | 8.7–10.6 |
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| First dorsal base | 36.1 ±5.7 | 6.6–7.1 | 24.1 ±6.4 | 6.7–8.0 |
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| First dorsal height | 30.2 ±4.9 | 5.7 –5.9 | 19.1 ±5.7 | 2.7–6.0 |
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| First dorsal inner margin | 15.7 ±2.7 | 3.1–3.4 | 10.2 ±2.8 | 2.0–3.6 |
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| Second dorsal anterior margin | 36.6 ±7.9 | 5.0–7.6 | 26.5 ±6.1 | 5.3–7.6 |
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| Second dorsal base | 30.1 ±4.8 | 5.5–6.1 | 19.5 ±4.9 | 5.3–6.6 |
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| Second dorsal height | 21.1 ±4.6 | 3.8–4.7 | 12.6 ±3.4 | 3.3–4.7 |
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| Second dorsal inner margin | 13.7 ±2.5 | 2.6–2.9 | 9 ±2.4 | 1.3–3.0 |
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| Dorsal caudal margin | 122.5 ±13.4 | 23.4–25.3 | 78.7 ±16 | 23.2–23.5 |
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| Postventral caudal margin | 50.7 ±4.0 | 9.4–10.7 | 35.4 ±7.5 | 8.7–10.0 |
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| Subterminal caudal margin | 48.5 ±9.0 | 8.8–10.7 | 30.9 ±6.8 | 8.0–8.5 |
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| Terminal caudal margin | 25.8 ±4.0 | 5.2–5.4 | 18.4 ±5.1 | 0.6–7.0 |
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| Terminal caudal lobe | 29.0 ±4.0 | 5.4–5.6 | 18.6 ±5.3 | 4.0–7.2 |
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| Head height | 32.6 ±7.4 | 5.4–6.6 | 22.7 ±5.8 | 4.7–7.0 |
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| Trunk height | 53.8 ±11.4 | 9.5–12.2 | 42.2 ±8.9 | 10.7–11.6 |
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| Abdomen height | 37.3 ±7.0 | 7.1–8.2 | 28.5 ±8 | 6.0–8.9 |
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| Caudal height | 28.8 ±8.3 | 5.0–7.6 | 20.9 ±6 | 5.3–7.4 |
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| Caudal peduncle height | 15.8 ±2.5 | 3.1–3.3 | 12.6 ±3.8 | 3.3–4.9 |
|---|
| Head width | 65.0 ±8.6 | 13. 0–13.3 | 41.4 ±13.5 | 3.3–11.7 |
|---|
| Trunk width | 63.8 ±13.7 | 10.9–14.5 | 43.7 ±10.3 | 11.4–12.7 |
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| Abdomen width | 42.3 ±9.2 | 6.6–8.7 | 26.7 ±7.2 | 6.7–8.9 |
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| Caudal width | 22.0 ±5.0 | 3.8–4.9 | 16 ±4.2 | 4.0–4.9 |
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| Caudal peduncle width | 12.0 ±2.2 | 1.9–2.3 | 10.8 ±3.6 | 2.7–4.1 |
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