yudja, Hypancistrus Sousa [L. M. de], Sousa [E. B. de], Oliveira [R. R. de], Sabaj Pérez [M. H.], Zuanon [J.] & Rapp Py-Daniel [L.] 2025:4, Figs. 1-2, 4 [Neotropical Ichthyology v. 23 (no. 1): e240080; ref. 41906] Rio Xingu, main channel along right bank at Pimental Dam site, ca. 37 km southeast of Altamira, Pará State, Brazil, 03°25'55.3"S, 51°57'23.6"W. Holotype: INPA ICT 61049. Paratypes: ANSP, AUM, INPA, LIA, ROM. •Valid as Hypancistrus yudja Sousa, Sousa, Oliveira, Sabaj Pérez, Zuanon & Rapp Py-Daniel 2025. Current status: Valid as Hypancistrus yudja Sousa, Sousa, Oliveira, Sabaj Pérez, Zuanon & Rapp Py-Daniel 2025. Loricariidae: Hypostominae. Distribution: South America: Volta Grande do Xingu, Pará State, Brazil. Habitat: freshwater.