(4) Projection of the first two axes of Principal Component Analysis (PCA) for the two species Characidium fasciatum and Characidium cf. zebra. (5) Relationship between RAPtF (Relative area of the pectoral fin) and the regression residuals between standard length (cm) and velocity (m/s) for both species Characidium fasciatum (C.fas) and Characidium cf. zebra (C.zeb).
Part of: Souza RCR, Pompeu PS (2020) Ecological separation by ecomorphology and swimming performance between two congeneric fish species. Zoologia 37: 1-8. https://doi.org/10.3897/zoologia.37.e47223