TABLE 1 in Taxonomic review of the typical long-snouted species of Corydoras (Siluriformes: Callichthyidae) from the río de La Plata basin

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±SDCorydoras aurofrenatus Low-High Mean±SDStandard length (mm)33.4–42.137.6±2.229.7–47.640.4±5.2Percentages of standard lengthDepth of body34.0–37.435.2±1.032.1–37.835.0 ± 1.5Predorsal distance46.9–51.949.4±1.245.9–50.848.3 ± 1.1Prepelvic distance46.9–50.048.2±0.945.4–50.347.6 ± 1.2Preanal distance78.2–82.480.8±1.276.9–82.579.7 ± 1.6Preadipose distance80.7–85.883.3±1.380.2–84.882.1 ± 1.2Length of dorsal spine19.6–23.221.2±1.018.2–23.920.9 ± 1.4Length of pectoral spine20.5–26.723.3±1.819.1–24.021.8 ± 1.3Length of adipose-fin spine8.1–11.69.2-0.87.4–11.49.4 ± 1.0Depth of caudal peduncle13.1–14.614.0±0.412.8–15.414.0 ± 0.7Length of dorsal-fin base16.2–18.717.6±0.715.4–20.618.1 ± 1.1Dorsal to adipose distance17.7–21.719.6±0.915.9–21.618.6 ± 1.5Maximum cleithral width24.5–26.225.4±0.523.3–27.025.3 ± 1.1Head length40.3–44.542.2±1.138.4–43.441.4 ± 1.3Length of maxillary barbel18.9–23.621.0±1.413.2–22.418.9 ± 2.4Percentages of head lengthHead depth72.7–81.977.4±1.969.8–82.877.7 ± 2.8Least interorbital distance21.8–25.223.4±1.021.7–26.924.3 ± 1.2Horizontal orbit diameter20.9–23.222.0±0.718.3–22.520.2 ± 1.3Snout length39.1–48.745.0±2.438.6–45.642.7 ± 1.9Least internarial distance9.3–14.712.6±1.48.3–13.010.9 ± 1.5