Published September 4, 2020
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TABLE 1 in Taxonomic review of the typical long-snouted species of Corydoras (Siluriformes: Callichthyidae) from the río de La Plata basin
Authors/Creators
- 1. Universidade Federal de Mato Grosso do Sul, Instituto de Biociências, Setor de Zoologia, Laboratório de Ictiologia, Avenida Costa e Silva, s / nº, Cidade Universitária, 79070 - 900 Campo Grande, MS, Brazil.
- 2. Universidade Federal do Rio de Janeiro, Museu Nacional, Departamento de Vertebrados, Setor de Ictiologia, Quinta da Boa Vista s / n, São Cristóvão, 20940 - 040 Rio de Janeiro, RJ, Brazil.
Description
TABLE 1 | Morphometric data of 20 non-type specimens of Corydoras areio, and of 30 non-type specimens of Corydoras aurofrenatus. SD = standard deviation.
| Corydoras areio Low-High Mean±SD | Corydoras aurofrenatus Low-High Mean±SD | |||
|---|---|---|---|---|
| Standard length (mm) | 33.4–42.1 | 37.6±2.2 | 29.7–47.6 | 40.4±5.2 |
| Percentages of standard length | ||||
| Depth of body | 34.0–37.4 | 35.2±1.0 | 32.1–37.8 | 35.0 ± 1.5 |
| Predorsal distance | 46.9–51.9 | 49.4±1.2 | 45.9–50.8 | 48.3 ± 1.1 |
| Prepelvic distance | 46.9–50.0 | 48.2±0.9 | 45.4–50.3 | 47.6 ± 1.2 |
| Preanal distance | 78.2–82.4 | 80.8±1.2 | 76.9–82.5 | 79.7 ± 1.6 |
| Preadipose distance | 80.7–85.8 | 83.3±1.3 | 80.2–84.8 | 82.1 ± 1.2 |
| Length of dorsal spine | 19.6–23.2 | 21.2±1.0 | 18.2–23.9 | 20.9 ± 1.4 |
| Length of pectoral spine | 20.5–26.7 | 23.3±1.8 | 19.1–24.0 | 21.8 ± 1.3 |
| Length of adipose-fin spine | 8.1–11.6 | 9.2-0.8 | 7.4–11.4 | 9.4 ± 1.0 |
| Depth of caudal peduncle | 13.1–14.6 | 14.0±0.4 | 12.8–15.4 | 14.0 ± 0.7 |
| Length of dorsal-fin base | 16.2–18.7 | 17.6±0.7 | 15.4–20.6 | 18.1 ± 1.1 |
| Dorsal to adipose distance | 17.7–21.7 | 19.6±0.9 | 15.9–21.6 | 18.6 ± 1.5 |
| Maximum cleithral width | 24.5–26.2 | 25.4±0.5 | 23.3–27.0 | 25.3 ± 1.1 |
| Head length | 40.3–44.5 | 42.2±1.1 | 38.4–43.4 | 41.4 ± 1.3 |
| Length of maxillary barbel | 18.9–23.6 | 21.0±1.4 | 13.2–22.4 | 18.9 ± 2.4 |
| Percentages of head length | ||||
| Head depth | 72.7–81.9 | 77.4±1.9 | 69.8–82.8 | 77.7 ± 2.8 |
| Least interorbital distance | 21.8–25.2 | 23.4±1.0 | 21.7–26.9 | 24.3 ± 1.2 |
| Horizontal orbit diameter | 20.9–23.2 | 22.0±0.7 | 18.3–22.5 | 20.2 ± 1.3 |
| Snout length | 39.1–48.7 | 45.0±2.4 | 38.6–45.6 | 42.7 ± 1.9 |
| Least internarial distance | 9.3–14.7 | 12.6±1.4 | 8.3–13.0 | 10.9 ± 1.5 |
Notes
Published as part of Tencatt, Luiz Fernando Caserta, Santos, Sérgio Alexandre dos & Britto, Marcelo Ribeiro de, 2020, Taxonomic review of the typical long-snouted species of Corydoras (Siluriformes: Callichthyidae) from the río de La Plata basin, pp. 9 in Neotropical Ichthyology 18 (4) on page 9, DOI: 10.1590/1982-0224-2020-0088, http://zenodo.org/record/10960565
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