Abstract
Mastiglanis is a genus of heptapterid catfish represented by two valid species. These freshwater species are widely distributed along the Amazon, Orinoco, and Maroni River basins. However, a taxonomic review of specimens collected in the Putumayo and Nanay rivers, Amazon River basin in Peru revealed a new species of Mastiglanis. A morphological analysis was completed for morphometric (36 measurements) and meristic (20 counts) data. Osteological counts and descriptions were made from clear and stained specimens and x-rays images. The new species of Mastiglanis differs from M. asopos and M. durantoni by having a long pelvic fin, short snout, eight branched anal-fin rays, and a higher number of vertebrae and gill rakers. The distribution of the new species is restricted to the upper Amazon River basin.
| Original language | English |
|---|---|
| Pages (from-to) | 323-336 |
| Number of pages | 14 |
| Journal | Zootaxa |
| Volume | 4820 |
| Issue number | 2 |
| DOIs | |
| State | Published - 28 Jul 2020 |
Bibliographical note
Funding Information:We would like to thank Nathan Lujan (AMNH); Mariangeles Arce and Mark Sabaj (ANSP); Caleb McMahan, Susan Mochel, and Kevin Swagel (FMNH); Carlos Lucena (MCP); Paulo Buckup (MNRJ); Max Hidalgo, Carla Muñoz, and V. Meza (MUSM); Don Stacey, Mary Burridge, Erling Holm and Marg Zur (ROM), for curatorial assistance during the senior author’s visit to each fish collection. Special thanks to Kevin Swagel (FMNH) for x-ray images, and Corinthia Black for English revision. The first author was supported by a doctoral program provided by Ministry of Education of Brazil (CAPES). Additional financial support was received of the Böhlke Memorial Endowment Fund from the Academy of Natural Science of Drexel University (ANSP), Philadelphia; the Grainger Bioinformatics Center Found from the Field Museum of Natural History (FMNH), Chicago; the Royal Ontario Museum E.J. Crossman Endowment Fund; and the Smithsonian Visiting Student Fellowship from National Museum of Natural History (NMNH), Washington DC.
Funding Information:
We would like to thank Nathan Lujan (AMNH); Mariangeles Arce and Mark Sabaj (ANSP); Caleb McMa-han, Susan Mochel, and Kevin Swagel (FMNH); Carlos Lucena (MCP); Paulo Buckup (MNRJ); Max Hidalgo, Carla Muñoz, and V. Meza (MUSM); Don Stacey, Mary Burridge, Erling Holm and Marg Zur (ROM), for curatorial assistance during the senior author’s visit to each fish collection. Special thanks to Kevin Swagel (FMNH) for x-ray images, and Corinthia Black for English revision. The first author was supported by a doctoral program provided by Ministry of Education of Brazil (CAPES). Additional financial support was received of the Böhlke Memorial Endowment Fund from the Academy of Natural Science of Drexel University (ANSP), Philadelphia; the Grainger Bioinformatics Center Found from the Field Museum of Natural History (FMNH), Chicago; the Royal Ontario Museum E.J. Crossman Endowment Fund; and the Smithsonian Visiting Student Fellowship from National Museum of Natural History (NMNH), Washington DC.
Publisher Copyright:
Copyright © 2020 Magnolia Press
Keywords
- Freshwater
- Morphology
- Small catfish
- Taxonomy