Revisiting Hypostomus khimaera (Siluriformes: Loricariidae): the identity of a morphologically variable species. - de Carvalho, Vandergleison; da Silva Müller, Victória Joana; Cristina Ferreira, Daniela; Henrique Zawadzki, Cláudio; Caserta Tencatt, Luiz Fernando (Neotropical Ichthyology, 2024)