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  1. Article ; Online: A new tiny-spotted species of Hypostomus (Siluriformes: Loricariidae) from the upper Rio Tocantins basin, Gois State, Brazil.

    Penido, Iago DE Souza / Pessali, Tiago Casarim / Zawadzki, Cludio Henrique

    Zootaxa

    2023  Volume 5361, Issue 1, Page(s) 103–113

    Abstract: Scientific visits to ichthyological collections revealed a potentially new species of Hypostomus from the Rio Tocantins basin. From there, subsequent ichthyological surveys led us to capture the taxon in the upper portion of this basin and address it to ... ...

    Abstract Scientific visits to ichthyological collections revealed a potentially new species of Hypostomus from the Rio Tocantins basin. From there, subsequent ichthyological surveys led us to capture the taxon in the upper portion of this basin and address it to the H. punctatus group. Here, we present it as a new species to science. The new species is distinguished from its congeners, except those from the H. punctatus group, by having bicuspid teeth with elliptic medial cusps, moderate keels on the head and flanks, small spots on the body, and caudal peduncle that are long and low. From the H. punctatus group, except H. subcarinatus and H. commersoni, it differs by having extremely small dark spots; from H. subcarinatus, it differs by having a beige-brown dorsal-fin background color versus blue in live specimens; and from H. commersoni, it differs by having a short to moderate dorsal fin versus a long dorsal fin.
    MeSH term(s) Animals ; Catfishes ; Brazil ; Rivers
    Language English
    Publishing date 2023-10-31
    Publishing country New Zealand
    Document type Journal Article
    ISSN 1175-5334
    ISSN (online) 1175-5334
    DOI 10.11646/zootaxa.5361.1.5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Assessing two hundred years of taxonomic doubt with the rediscovery and taxonomic establishment of the Amazonian armored catfish Hypostomus pantherinus Kner 1854 (Siluriformes: Loricariidae).

    Zawadzki, Cludio Henrique / Carvajal-Vallejos, Fernando M / DA Silva, Hugmar Pains / Lechner, Walter / Penido, Iago DE Souza

    Zootaxa

    2021  Volume 5067, Issue 3, Page(s) 401–416

    Abstract: Hypostomus pantherinus was described by Kner in 1854 based on a single young specimen collected by Natterer with a type-locality just asserted as Guapor. No robust scientific paper focusing the distribution, taxonomy and ecology of this species has been ... ...

    Abstract Hypostomus pantherinus was described by Kner in 1854 based on a single young specimen collected by Natterer with a type-locality just asserted as Guapor. No robust scientific paper focusing the distribution, taxonomy and ecology of this species has been published since the description. Here, based on the analysis of the holotype, recently collected material, and on an extensive searching on ichthyological fish collections, H. pantherinus Kner 1854 is redescribed and its geographical distribution is established to be in the rio Itez-Guapor and the mouth of its Bolivian and Brazilian tributaries. Hypostomus pantherinus is distinguished from congeners mainly by villiform teeth, conspicuous black, sharp and widely spaced spots on head, and dark blotches on trunk and fins, keels along lateral series of plates, sharp crests on supraoccipital and on compound pterotic-supracleithrum, less than 25 spots on compound pterotic-supracleithrum, one blotch per interradial membrane along each row on dorsal fin, and by usually attaining about 160 mm SL in size.
    MeSH term(s) Animal Fins ; Animals ; Catfishes ; Tooth
    Language English
    Publishing date 2021-11-11
    Publishing country New Zealand
    Document type Journal Article
    ISSN 1175-5334
    ISSN (online) 1175-5334
    DOI 10.11646/zootaxa.5067.3.4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Rediscovery and redescription of the endangered Hypostomus subcarinatus Castelnau, 1855 (Siluriformes: Loricariidae) from the Rio São Francisco basin in Brazil.

    Zawadzki, Cláudio Henrique / Penido, Iago de Souza / de Oliveira, José Carlos / Pessali, Tiago Casarim

    PloS one

    2019  Volume 14, Issue 3, Page(s) e0207328

    Abstract: Hypostomus subcarinatus Castelnau, 1855 is rediscovered in the Lagoa da Pampulha, an urban lake in the Rio das Velhas basin (Rio São Francisco system) in the state of Minas Gerais, southeastern Brazil. Herein, H. subcarinatus is redescribed and diagnosed ...

    Abstract Hypostomus subcarinatus Castelnau, 1855 is rediscovered in the Lagoa da Pampulha, an urban lake in the Rio das Velhas basin (Rio São Francisco system) in the state of Minas Gerais, southeastern Brazil. Herein, H. subcarinatus is redescribed and diagnosed from its congeners based on characters such as blue-tan dorsal fin in live specimens, slender bicuspid teeth, dentaries angled more than 90 degrees, moderate keels along lateral series of plates, small roundish dark spots, one plate bordering supraoccipital, by having nuptial odontodes mainly on pectoral, dorsal and caudal-fin rays, and long anal-fin unbranched ray. The rediscovery of H. subcarinatus more than 160 years after its original description was an unexpected event, because the Lagoa da Pampulha is an artificial, silted and polluted urban lake. The lake is located in downtown Belo Horizonte, the third largest urban agglomeration in Brazil with a population exceeding 5.9 million inhabitants.
    MeSH term(s) Animals ; Brazil ; Catfishes/anatomy & histology ; Catfishes/classification ; Catfishes/physiology ; Conservation of Natural Resources ; Ecosystem ; Endangered Species
    Language English
    Publishing date 2019-03-12
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 1932-6203
    ISSN (online) 1932-6203
    DOI 10.1371/journal.pone.0207328
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Ressurrection of <i>Curimatus</i> <i>albula</i> Lütken (Characiformes: Curimatidae), a senior synonym of <i>Cyphocharax</i> <i>lundi</i> Dutra, Penido, Mello & Pessali.

    Dutra, Guilherme Moreira / Penido, Iago DE Souza / Pessali, Tiago Casarim / Netto-Ferreira, Andre Luiz

    Zootaxa

    2017  Volume 4344, Issue 3, Page(s) 597–600

    Abstract: Curimatus albula Lütken 1874 was described from the Ribeirão da Mata at Lagoa Santa, a tributary of Rio das Velhas, Rio São Francisco basin. The species validity was questioned by Lütken (1875) himself, who suggested that the species could be a synonym ... ...

    Abstract Curimatus albula Lütken 1874 was described from the Ribeirão da Mata at Lagoa Santa, a tributary of Rio das Velhas, Rio São Francisco basin. The species validity was questioned by Lütken (1875) himself, who suggested that the species could be a synonym of Curimatus gilbert Quoy & Gaimard, a species described from the Rio Macacu, a coastal river tributary of Guanabara bay, Rio de Janeiro. That synonymy was only formally proposed by Eigenmann (1910), and followed by most subsequent authors (e. g. Nielsen, 1974; Vari, 1992), except for Fowler (1975), who erroneously listed C. albula as the senior synonym of C. gilbert. Vari (1989) posteriorly removed both nominal species from Curimatus Oken (= Curimata Bosch) reallocating them in Cyphocharax Fowler, based on the lack of synapomorphic conditions present in other valid curimatid genera. Vari (1989) considered that those nominal species belonged to a major group within Cyphocharax also including C. grandocule Fernández-Yépez, C. modestus Fernández-Yépez, C. santacatarinae Fernández-Yépez, and C. voga Hensel, based on the presence of a rhomboidal caudal pigmentation and "random body spotting". Later, Vari (1992) included C. grandocule along with C. albula in the synonymy of C. gilbert, and listed several characters allowing further distinction of that species from the remaining species of the group (i.e., number of vertebrae, scales in transverse series, and pigmentation characters). Among the characters involving the pigmentation pattern, Vari (1992) stressed the lack of randomly arranged dark spots on the lateral and dorsolateral surfaces of the body in C. gilbert (versus present in C. voga).
    MeSH term(s) Animals ; Brazil ; Characiformes ; Pigmentation ; Rivers
    Language English
    Publishing date 2017-11-08
    Publishing country New Zealand
    Document type Journal Article
    ISSN 1175-5334
    ISSN (online) 1175-5334
    DOI 10.11646/zootaxa.4344.3.10
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Two new species of Cyphocharax (Teleostei: Characiformes: Curimatidae) from headwaters of the Jequitinhonha and São Francisco river basins, Minas Gerais, Brazil.

    Dutra, Guilherme Moreira / Penido, Iago De Souza / Mello, Gabriel Caetano Guimarães De / Pessali, Tiago Casarim

    Zootaxa

    2016  Volume 4103, Issue 2, Page(s) 154–164

    Abstract: Two new species of Cyphocharax from southeastern Brazil are described. Both new species share with C. punctatus, and C. vanderi the presence of a midlateral series of irregular patches of dark pigmentation along the lateral line. Cyphocharax jagunco, new ...

    Abstract Two new species of Cyphocharax from southeastern Brazil are described. Both new species share with C. punctatus, and C. vanderi the presence of a midlateral series of irregular patches of dark pigmentation along the lateral line. Cyphocharax jagunco, new species, from Rio Jequitinhonha basin, is distinguished from C. lundi, C. punctatus, and C. vanderi by the number of patches of dark pigmentation along lateral line; the number of pored scales posterior to the hypural joint; the number of scales in the lateral line; and the number of scales rows above lateral line. Cyphocharax lundi, new species, from Rio São Francisco basin, is distinguished from C. jagunco, C. punctatus, and C. vanderi by the presence of dark spots above the lateral line; and the number of scales in the lateral line. Comments on the relationships of the new species within Cyphocharax are presented.
    MeSH term(s) Animal Distribution ; Animal Structures/anatomy & histology ; Animal Structures/growth & development ; Animals ; Body Size ; Brazil ; Characiformes/anatomy & histology ; Characiformes/classification ; Characiformes/growth & development ; Ecosystem ; Female ; Male ; Organ Size ; Rivers/chemistry
    Language English
    Publishing date 2016-04-12
    Publishing country New Zealand
    Document type Journal Article
    ISSN 1175-5334
    ISSN (online) 1175-5334
    DOI 10.11646/zootaxa.4103.2.5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Length–weight relationships of 78 fish species from São Francisco River basin, Brazil

    Pessali, Tiago Casarim / Salvador, Gilberto Nepomuceno / Alves, Carlos Bernardo Mascarenhas / Drager, Dennys Heilbuth Cachapuz / Zawadzki, Cláudio Henrique / Prata, Erival Gonçalves / Vieira, Fábio / Santos, Gilmar Bastos / Rosa, Gustavo Ribeiro / Penido, Iago de Souza / Gomes, João Pedro Corrêa / Brito, Marcelo Fulgencio Guedes / Pompeu, Paulo Santos / Leitão, Rafael Pereira / dos Santos, Sérgio Alexandre / Barroso, Tobias Antônio / Ribeiro, Thiago Cotta / Sousa, Tarcísio José / Dala‐Corte, Renato Bolson /
    Freitas, Tiago Magalhães da Silva

    Journal of applied ichthyology. 2022 May, v. 38, no. 3

    2022  

    Abstract: We established the length–weight relationships (LWR) for 78 fish species from the São Francisco River basin, Brazil. Samples were originated from different scientific projects performed between 1993 and 2019. Fishing gears used were mainly gillnets and ... ...

    Abstract We established the length–weight relationships (LWR) for 78 fish species from the São Francisco River basin, Brazil. Samples were originated from different scientific projects performed between 1993 and 2019. Fishing gears used were mainly gillnets and cast nets of various mesh sizes. Specimens varied from 0.6 to 128 cm (18.1 ± 11.8 cm) and from 0.01 to 26,900 g (317.9 ± 733.6 g). The allometric coefficient b varied from 2.509 to 3.494. For 66 species, the LWR parameters were completely novel and, for the other 12 species, are present for the first time for the São Francisco River basin.
    Keywords allometry ; fish ; gillnets ; ichthyology ; watersheds ; Brazil
    Language English
    Dates of publication 2022-05
    Size p. 344-351.
    Publishing place John Wiley & Sons, Ltd
    Document type Article
    Note JOURNAL ARTICLE
    ZDB-ID 283875-8
    ISSN 0175-8659
    ISSN 0175-8659
    DOI 10.1111/jai.14312
    Database NAL-Catalogue (AGRICOLA)

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