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New species of thorny catfish, genus Leptodoras Boulenger (Siluriformes: Doradidae), from Tapajos and Xingu basins, Brazil
Journal article   Open access

New species of thorny catfish, genus Leptodoras Boulenger (Siluriformes: Doradidae), from Tapajos and Xingu basins, Brazil

Jose L. O. Birindelli, Leandro A. Sousa and Mark H. Sabaj Perez
Neotropical ichthyology, v 6(3), pp 465-480
01 Jul 2008
url
http://www.scielo.br/pdf/ni/v6n3/a20v6n3.pdfView
Published, Version of Record (VoR) Open
url
https://doi.org/10.1590/S1679-62252008000300020View
Published, Version of Record (VoR) Open

Abstract

Life Sciences & Biomedicine Science & Technology Zoology
A new species of thorny catfish (family Doradidae) is described as a member of genus Leptodoras Boulenger by having a modified oral hood and first gill arch with enlarged accessory lamellae extending well onto medial face of gill filaments. The new species is distinguished by three characteristics unique within Leptodoras: gas bladder moderately sized (not reduced) with simple walls (diverticula absent), and paired bony capsules on anteriormost vertebrae reduced to paired cup-like laminar ossifications separated by triangular septum. The new species was discovered from material recently collected in the Tapajos basin at Serra do Cachimbo and in the headwaters of rio Xingu. The species description is supplemented by a detailed osteological description, discussion on its placement among congeners, and a re-evaluation of the diagnosis of Leptodoras and its relationships with sister taxon Anduzedoras oxyrhynchus. In addition, the distributions of several species of Leptodoras are expanded based on recent collecting efforts and identification of museum specimens not previously studied.

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This publication has contributed to the advancement of the following goals:

#15 Life on Land
#14 Life Below Water

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International collaboration
Web of Science research areas
Zoology
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