Published February 20, 2023
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TABLE 2 in New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin
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TABLE 2 | Character loadings of the first three principal components axes of combined analysis of Rhyacoglanis varii (N = 16), R. paranensis (N = 31), and R. rapppydanielae (N = 13).
| Characters | PC 1 | PC 2 | PC 3 |
|---|---|---|---|
| Head length | 0.1915 | 0.015 | 0.05995 |
| Eye diameter | 0.1345 | 0.09743 | 0.1875 |
| Interorbital distance | 0.1988 | 0.01607 | -0.04845 |
| Snout length | 0.1942 | -0.009734 | 0.02416 |
| Mouth width | 0.2077 | 0.1981 | 0.1694 |
| Pectoral girdle width | 0.2087 | 0.05512 | 0.01591 |
| Predorsal distance | 0.1722 | 0.01745 | 0.03117 |
| Dorsal-fin base length | 0.2031 | -0.08244 | -0.06269 |
| Adipose-fin base length | 0.1661 | 0.06053 | 0.1708 |
| Prepelvic distance | 0.186 | 0.02634 | 0.01305 |
| Pelvic fin to anal fin distance | 0.1913 | 0.1087 | 0.1432 |
| Anal-fin base length | 0.1823 | -0.07779 | 0.001686 |
| Caudal peduncle length | 0.1888 | -0.1205 | 0.1033 |
| Head depth | 0.2193 | -0.09948 | -0.003842 |
| Body depth | 0.2262 | 0.0633 | -0.2802 |
| Caudal peduncle depth | 0.1791 | 0.09839 | 0.2062 |
| Pectoral-fin spine length | 0.1622 | -0.1404 | 0.04719 |
| Dorsal-fin spine length | 0.171 | -0.4545 | -0.0166 |
| Maxillary barbel length | 0.1625 | -0.03909 | 0.2676 |
| Pelvic length | 0.179 | -0.1042 | -0.05121 |
| Anterior to posterior nostril distance | 0.1462 | 0.05437 | 0.006021 |
| Posterior nostril to eye distance | 0.1529 | 0.5834 | -0.5648 |
| Posterior nostrils distance | 0.2059 | -0.04857 | -0.002237 |
| Postcleithral process length | 0.2379 | -0.4045 | -0.273 |
| Dorsal fin to pelvic fin distance | 0.215 | 0.09364 | -0.02694 |
| Pelvic fin distance | 0.1971 | 0.08527 | -0.1839 |
| Pelvic fin to anus distance | 0.2148 | -0.08011 | -0.1393 |
| Anus to anal fin distance | 0.1499 | 0.3313 | 0.4677 |
| Eigenvalue | 0.333129 | 0.0280641 | 0.0112928 |
| % variance | 83.209 | 7.0099 | 2.8207 |
Notes
Published as part of Shibatta, Oscar Akio & Souza-Shibatta, Lenice, 2023, New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin, pp. 13 in Neotropical Ichthyology (e 220075) 21 (1) on page 13, DOI: 10.1590/1982-0224-2022-0075, http://zenodo.org/record/11124758
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