A revision of the cis-andean species of the genus Brycon Müller & Troschel (Characiformes: Characidae)
Author
Lima, Flávio C. T.
text
Zootaxa
2017
4222
1
1
189
journal article
37268
10.5281/zenodo.257769
9ea59a17-588e-4af1-8c0d-ebcd50ad0395
1175-5326
257769
F0EC0A87-B1EE-4B5C-8F53-77A7EEA75F3A
TABLE 18. Morphometric data of Brycon amazonicus (A: neotype of Chalceus amazonicus, INPA 3415; B: lectotype and paralectotype of Chalceus carpophagus, MNHN 9835 and MNHN 98; C: largest syntype of Brycon longiceps, NMW 62944; D; holotype of Brycon siebenthalae, FMNH 53353). | A | B | C | D | n | Range | Mean |
|---|
| Standard length (SL) | 362.0 | 260.9–267.8 | 67.7 | 169.1 | 120 | 67.7–485.0 | - |
|---|
| Percentages of standard length | | | | | | | |
|---|
| Depth at dorsal-fin origin | 33.9 | 27.9–37.0 | 31.0 | 32.9 | 118 | 27.0–37.9 | 31.9 |
|---|
| Snout to dorsal-fin origin | 49.9 | 48.9–54.8 | 52.6 | 51.0 | 120 | 43.6–54.8 | 49.6 |
|---|
| Dorsal-fin base length | 11.8 | 13.3 | 12.6 | 11.9 | 120 | 9.7–14.1 | 12.2 |
|---|
| Posterior terminus of dorsal fin to adipose fin | 25.5 | 25.7–28.2 | 21.0 | 22.9 | 119 | 21.0–27.7 | 24.5 |
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| Posterior terminus of dorsal fin to hypural joint | 38.6 | 43.7–47.0 | 35.6 | 34.9 | 120 | 33.2–47.0 | 37.6 |
|---|
| Snout to pelvic-fin insertion | 46.5 | 47.8–48.9 | 53.2 | 48.9 | 118 | 43.7–53.2 | 47.3 |
|---|
| Snout to anal-fin origin | 67.5 | 67.0–69.2 | 99.7 | 72.8 | 115 | 63.1–72.8 | 67.7 |
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| Anal-fin base length | 23.0 | 22.8–23.0 | 21.0 | 21.1 | 119 | 17.4–25.3 | 22.0 |
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| Caudal peduncle length | 15.2 | 15.1–16.6 | 16.1 | 15.9 | 120 | 12.8–20.1 | 15.9 |
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| Dorsal-fin height | 16.2 | 19.8 | 24.5 | 22.5 | 116 | 15.8–24.5 | 20.8 |
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| Pectoral-fin length | 20.3 | 19.0 | 20.1 | 20.2 | 117 | 16.3–23.1 | 19.2 |
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| Pelvic-fin length | - | 13.7–17.1 | 19.6 | 17.2 | 112 | 10.1–19.6 | 16.0 |
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| Caudal peduncle depth | 9.7 | 8.0–10.6 | 9.6 | 10.0 | 120 | 8.1–10.4 | 9.4 |
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| Head length | 24.9 | 25.5–26.0 | 32.9 | 26.5 | 120 | 22.0–33.9 | 26.7 |
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| Percentages of head length | | | | | | | |
|---|
| Head height | 84.0 | 78.5–87.6 | 75.3 | 81.7 | 119 | 70.0–91.2 | 80.6 |
|---|
| Snout length | 36.2 | 31.8–33.1 | 29.1 | 33.3 | 120 | 27.0–39.2 | 32.7 |
|---|
| Upper jaw length | 48.1 | 46.6–48.8 | 44.8 | 44.2 | 118 | 43.3–51.6 | 46.2 |
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| Horizontal eye diameter | 20.3 | 22.7–25.0 | 32.3 | 23.9 | 120 | 17.7–33.3 | 25.0 |
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| Post-orbital length | 48.9 | 43.8–46.4 | 40.8 | 46.4 | 120 | 40.1–51.5 | 47.0 |
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| Least interorbital width | 50.7 | 47.1–47.3 | 33.2 | 47.3 | 120 | 33.2–52.1 | 45.3 |
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