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A new species of Hyphessobrycon (Characiformes, Characidae) from the upper Rio Jequitinhonha basin, Minas Gerais, Brazil, with comments on morphological similarities with Stethaprioninae species from headwater environments.
J Fish Biol 2019JF

Abstract

A new species of Hyphessobrycon is described from a marshland area in the headwaters of Rio Jequitinhonha basin, Minas Gerais, Brazil. The new species differs from congeners by presenting a single well-delimited conspicuous humeral blotch, rounded to vertically oval, restricted to the area dorsal to the lateral-line row of scales, without a narrower downward extension, greatest body depth anterior to dorsal-fin origin, bony processes in anal and pectoral-fin rays of males and four teeth in the inner row of the premaxillary bone. The new species presents a set of morphological features shared by some species currently assigned to Hasemania, Myxiops and to the Astyanax scabripinnis complex. Some of these features are discussed.

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    • Authors+Show Affiliations

    Teixeira TF
    Pontifícia Universidade Católica de Minas Gerais, Programa de Pós-graduação em Biologia de Vertebrados, Belo Horizonte, MG, Brazil.
    Dutra GM
    Museu de Zoologia da Universidade de São Paulo, São Paulo, SP, Brazil.
    Penido IS
    Universidade Estadual de Maringá, Programa de Pós-graduação em Biologia Comparada, Maringá, PR, Brazil.
    Dos Santos SA
    Museu Nacional, Universidade Federal do Rio de Janeiro, Programa de Pós-graduação em Zoologia, Rio de Janeiro, RJ, Brazil.
    Pessali TC
    Museu de Ciências Naturais da PUC Minas, Belo Horizonte, MG, Brazil.

    Pub Type(s)

    Journal Article

    Language

    eng

    PubMed ID

    31705758

    Citation

    Teixeira, Tulio F., et al. "A New Species of Hyphessobrycon (Characiformes, Characidae) From the Upper Rio Jequitinhonha Basin, Minas Gerais, Brazil, With Comments On Morphological Similarities With Stethaprioninae Species From Headwater Environments." Journal of Fish Biology, 2019.
    Teixeira TF, Dutra GM, Penido IS, et al. A new species of Hyphessobrycon (Characiformes, Characidae) from the upper Rio Jequitinhonha basin, Minas Gerais, Brazil, with comments on morphological similarities with Stethaprioninae species from headwater environments. J Fish Biol. 2019.
    Teixeira, T. F., Dutra, G. M., Penido, I. S., Dos Santos, S. A., & Pessali, T. C. (2019). A new species of Hyphessobrycon (Characiformes, Characidae) from the upper Rio Jequitinhonha basin, Minas Gerais, Brazil, with comments on morphological similarities with Stethaprioninae species from headwater environments. Journal of Fish Biology, doi:10.1111/jfb.14198.
    Teixeira TF, et al. A New Species of Hyphessobrycon (Characiformes, Characidae) From the Upper Rio Jequitinhonha Basin, Minas Gerais, Brazil, With Comments On Morphological Similarities With Stethaprioninae Species From Headwater Environments. J Fish Biol. 2019 Nov 9; PubMed PMID: 31705758.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - A new species of Hyphessobrycon (Characiformes, Characidae) from the upper Rio Jequitinhonha basin, Minas Gerais, Brazil, with comments on morphological similarities with Stethaprioninae species from headwater environments. AU - Teixeira,Tulio F, AU - Dutra,Guilherme M, AU - Penido,Iago S, AU - Dos Santos,Sérgio A, AU - Pessali,Tiago C, Y1 - 2019/11/09/ PY - 2019/09/10/received PY - 2019/11/08/accepted PY - 2019/11/11/pubmed PY - 2019/11/11/medline PY - 2019/11/10/entrez KW - Hyphessobrycon KW - Neotropical region KW - conservation KW - freshwater KW - sexual dimorphism KW - taxonomy JF - Journal of fish biology JO - J. Fish Biol. N2 - A new species of Hyphessobrycon is described from a marshland area in the headwaters of Rio Jequitinhonha basin, Minas Gerais, Brazil. The new species differs from congeners by presenting a single well-delimited conspicuous humeral blotch, rounded to vertically oval, restricted to the area dorsal to the lateral-line row of scales, without a narrower downward extension, greatest body depth anterior to dorsal-fin origin, bony processes in anal and pectoral-fin rays of males and four teeth in the inner row of the premaxillary bone. The new species presents a set of morphological features shared by some species currently assigned to Hasemania, Myxiops and to the Astyanax scabripinnis complex. Some of these features are discussed. SN - 1095-8649 UR - https://www.unboundmedicine.com/medline/citation/31705758/A_new_species_of_Hyphessobrycon_(Characiformes,_Characidae)_from_the_upper_Rio_Jequitinhonha_basin,_Minas_Gerais,_Brazil,_with_comments_on_morphological_similarities_with_Stethaprioninae_species_from_headwater_environments L2 - https://doi.org/10.1111/jfb.14198 DB - PRIME DP - Unbound Medicine ER -