A systematic review of Rhinopetitia Géry (Teleostei, Characiformes, Characidae) with descriptions of four new species and redescription of R. myersi Géry
Author
Menezes, Naércio A.
Author
Netto-Ferreira, Andre L.
text
Zootaxa
2019
2019-11-18
4700
1
59
86
journal article
24873
10.11646/zootaxa.4700.1.3
a86fa4a0-606f-4828-84c9-f931abd9c49e
1175-5326
3545298
499CD9ED-D11C-4F0E-B0B5-066590C7928E
TABLE 2. Morphometric data for Rhinopetitia paucirastra. Values for the holotype included in the range of female specimens. Standard length in mm; SD = Standard Deviation. | Holotype | | Males | | | | Females | | | p value |
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| Characters | | n | range | mean | SD | n | range | mean | SD | |
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| Standard length | 32.0 | 10 | 24.0–32.0 | 28.1 | 2.6 | 57 | 25.0–39.0 | 30.0 | 2.8 | |
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| Percentages of SL |
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| Depth at dorsal-fin origin | 29.0 | 10 | 27.0–30.0 | 28.7 | 1.1 | 57 | 27.0–31.8 | 29.4 | 1.2 | 0.600 |
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| Snout to dorsal-fin origin | 55.6 | 10 | 53.3–59.0 | 55.2 | 1.5 | 57 | 53.3–59.3 | 55.8 | 1.4 | 0.423 |
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| Snout to pectoral-fin origin | 22.8 | 10 | 22.4–25.0 | 24.0 | 0.8 | 57 | 22.1–25.8 | 23.6 | 0.7 | 0.604 |
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| Snout to pelvic-fin origin | 46.8 | 10 | 45.4–48.0 | 46.8 | 0.9 | 57 | 44.6–48.7 | 47.1 | 1.0 | 0.202 |
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| Snout to anal-fin origin | 63.4 | 10 | 62.5–67.0 | 63.8 | 1.1 | 57 | 61.8–66.8 | 64.3 | 1.2 | 0.256 |
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| Caudal peduncle depth | 11.2 | 10 | 10.3–12.0 | 11.2 | 0.6 | 57 | 10.3–13.0 | 11.3 | 0.5 | 0.282 |
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| Caudal peduncle length | 14.0 | 10 | 14.6–15.2 | 14.9 | 0.3 | 57 | 13.6–16.5 | 14.8 | 0.7 | 0.337 |
|---|
| Pectoral-fin length | 22.5 | 10 | 21.8–24.0 | 22.6 | 0.6 | 56 | 20.7–24.0 | 22.6 | 0.8 | 0.510 |
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| Pelvic-fin length | 15.6 | 10 | 14.6–17.0 | 15.6 | 0.7 | 57 | 13.8–17.0 | 15.7 | 0.7 | 0.102 |
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| Dorsal-fin base length | 12.5 | 10 | 10.4–13.0 | 11.6 | 0.8 | 57 | 10.3–13.0 | 11.7 | 0.6 | 0.101 |
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| Dorsal-fin height | 25.0 | 10 | 23.3–26.0 | 24.8 | 0.8 | 57 | 23.1–27.0 | 25.0 | 0.7 | 0.240 |
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| Anal-fin base length | 24.3 | 10 | 23.2–26.0 | 24.4 | 0.8 | 57 | 22.5–27.0 | 24.4 | 0.9 | 0.088 |
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| Anal-fin lobe length | 17.5 | 10 | 16.1–20.0 | 18.0 | 1.3 | 56 | 16.0–20.0 | 18.8 | 0.4 | 0.874 |
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| Eye to dorsal-fin origin | 42.8 | 10 | 40.0–43.0 | 41.5 | 1.0 | 57 | 40.0–43.0 | 42.5 | 0.7 | 1.298 |
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| Dorsal-fin origin to caudal-fin | 50.0 | 10 | 48.0–52.0 | 49.0 | 1.1 | 57 | 45.5–53.0 | 50.0 | 1.6 | 0.396 |
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| base Bony head length | 25.0 | 10 | 24.0–26.0 | 24.8 | 0.5 | 57 | 23.2–26.0 | 24.7 | 0.7 | 0.228 |
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| Percentages of HL |
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| Horizontal eye diameter | 40.0 | 10 | 39.7–44.0 | 41.4 | 1.3 | 57 | 37.1–44.0 | 40.7 | 1.7 | 0.319 |
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| Snout length | 22.5 | 10 | 23.3–26.0 | 24.2 | 0.8 | 57 | 21.8–27.0 | 24.8 | 1.3 | 0.480 |
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| Least interorbital width | 37.5 | 10 | 35.0–39.0 | 37.1 | 1.2 | 57 | 33.3–40.0 | 36.9 | 1.6 | 0.097 |
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| Upper jaw length | 37.5 | 10 | 36.1–40.0 | 37.7 | 1.0 | 57 | 35.0–41.0 | 38.2 | 1.3 | 0.419 |
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| Characters | | n | range | mean | SD | n | range | mean | SD | |
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| Standard length | 27.0 | 3 | 24.0–25.0 | 24.3 | 0.5 | 26 | 20.0–27.0 | 23.7 | 3.0 | |
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| Percentages of SL |
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| Depth at dorsal-fin origin | 22.2 | 3 | 22.9–23.3 | 22.0 | 0.7 | 26 | 19.1–24.0 | 21.7 | 1.4 | 0.248 |
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| Snout to dorsal-fin origin | 53.0 | 3 | 54.0–54.1 | 54.1 | 0.1 | 26 | 50.0–56.5 | 53.3 | 1.6 | 0.297 |
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| Snout to pectoral-fin origin | 22.2 | 3 | 24.0–24.0 | 24.0 | 0.0 | 26 | 22.2–26.4 | 24.5 | 1.2 | 0.322 |
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| Snout to pelvic-fin origin | 48.1 | 3 | 48.0–48.3 | 48.1 | 0.2 | 26 | 46.0–50.0 | 48.6 | 1.0 | 0.339 |
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| Snout to anal-fin origin | 63.0 | 3 | 64.0–65.4 | 64.8 | 0.7 | 26 | 61.1–66.5 | 64.4 | 1.5 | 0.331 |
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| Caudal peduncle depth | 08.8 | 3 | 08.7–09.2 | 09.0 | 0.3 | 26 | 08.1–10.2 | 09.0 | 0.5 | 0.419 |
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| Caudal peduncle length | 16.0 | 3 | 14.6–15.2 | 14.9 | 0.3 | 26 | 13.6–16.5 | 14.8 | 0.7 | 0.306 |
|---|
| Pectoral-fin length | 20.7 | 3 | 20.0–21.6 | 20.8 | 0.8 | 26 | 18.2–22.7 | 20.6 | 1.1 | 0.337 |
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| Pelvic-fin length | 14.0 | 3 | 15.0–16.0 | 15.6 | 0.5 | 26 | 13.0–16.1 | 15.1 | 0.8 | 0.248 |
|---|
| Dorsal-fin base length | 11.1 | 3 | 11.6–13.0 | 12.0 | 0.4 | 26 | 11.1–13.3 | 12.2 | 0.6 | 0.422 |
|---|
| Dorsal-fin height | 22.2 | 3 | 23.0–24.0 | 23.3 | 0.6 | 26 | 21.7–25.0 | 23.0 | 0.9 | 0.437 |
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| Anal-fin base length | 19.6 | 3 | 20.0–20.8 | 20.5 | 0.5 | 26 | 18.7–23.3 | 20.9 | 1.2 | 0.474 |
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| Anal-fin lobe length | 17.7 | 3 | 17.0–17.9 | 17.4 | 0.5 | 26 | 16.1–19.0 | 17.5 | 0.7 | 0.400 |
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| Eye to dorsal-fin origin | 43.0 | 3 | 38.7–41.6 | 40.1 | 0.4 | 26 | 35.7–43.0 | 39.7 | 1.7 | 0.432 |
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| Dorsal-fin origin to caudal-fin base | 48.1 | 3 | 46.6–48.0 | 47.1 | 0.8 | 26 | 43.5–50.0 | 47.1 | 1.5 | 0.369 |
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| Bony head length | 24.0 | 3 | 24.4–25.4 | 24.9 | 0.5 | 26 | 23.3–26.6 | 25.4 | 0.8 | 0.410 |
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| Percentages of HL |
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| Horizontal eye diameter | 41.5 | 3 | 38.3–41.0 | 39.6 | 1.3 | 26 | 37.9–42.1 | 40.2 | 1.4 | 0.488 |
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| Snout length | 24.6 | 3 | 23.0–24.6 | 23.6 | 0.9 | 26 | 21.6–25.0 | 23.2 | 1.0 | 0.320 |
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| Least interorbital width | 33.8 | 3 | 30.7–34.9 | 33.3 | 0.9 | 26 | 30.7–35.0 | 33.3 | 0.9 | 0.291 |
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| Upper jaw length | 33.8 | 3 | 32.8–33.3 | 33.0 | 0.3 | 26 | 30.0–33.9 | 33.0 | 1.0 | 0.281 |
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