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Author

O. Shibatta

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Open access 2026

Cryptic lineages in Neotropical freshwaters: an integrative approach reveals a new species of Megalonema (Siluriformes: Pimelodidae) from the upper Paraná River basin

Abstract A new species, previously identified as Megalonema platanum, is described as Megalonema tinga from the Paranapanema River basin, based on morphological (morphometry and meristic) and DNA-barcoding analyses. Body proportions based on 28 measurements in 25 specimens of M. tinga and 10 of M. platanum showed a hig...

O. Shibatta, H. S. de Souza-Filho, Lenice Souza-Shibatta · 0 citations
Aug 2026

Complete osteology of bumblebee catfish Microglanis lundbergi uncovers skeletal simplification and previously overlooked morphological diversity in Pseudopimelodidae

The complete osteology of Microglanis lundbergi, a pseudopimelodid catfish from the Amazon River (Amazonas, Brazil), is described and compared with representatives of all Pseudopimelodidae genera. This is the first comprehensive skeletal account for a species of Microglanis, encompassing both cranial and postcranial el...

L. Jarduli, O. Shibatta · 0 citations

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