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Axel Katz            
Universidade Federal do Rio de Janeiro
Rio de Janeiro, Brazil
9 articles by this author
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Research Article
Chromatic polymorphism in Trichomycterus albinotatus (Siluriformes, Trichomycteridae), a mountain catfish from south-eastern Brazil and the role of colouration characters in trichomycterine taxonomy
    Wilson J. E. M. Costa, José Leonardo O. Mattos,     Pedro F. Amorim, Beatrizz O. Mesquita,     Axel M. Katz
10.3897/zse.99.98341
 23-02-2023
 Unique: 625 | Total: 938  | Access Period:
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 161-171
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Research Article
Redefinition of Heptapterus (Heptapteridae) and description of Heptapterus carmelitanorum, a new species from the upper Paraná River basin in Brazil
Gabriel de Carvalho Deprá, Gastón Aguilera,     Dario R. Faustino-Fuster,     Axel M. Katz,     Valter M. Azevedo-Santos
10.3897/zse.98.89413
 08-09-2022
 Unique: 1307 | Total: 2523  | Access Period:
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 327-343
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Research Article
Phylogenetic relationships of a new catfish of the genus Trichomycterus (Siluriformes, Trichomycteridae) from the Brazilian Cerrado, and the role of Cenozoic events in the diversification of mountain catfishes
    Wilson J. E. M. Costa, José Leonardo O. Mattos, Wagner M. S. Sampaio, Patrícia Giongo, Frederico B. de Almeida,     Axel M. Katz
10.3897/zse.98.83109
 23-05-2022
 Unique: 1492 | Total: 2257  | Access Period:
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 151-164
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Research Article
A new catfish of the genus Trichomycterus from the Rio Paraíba do Sul Basin, south-eastern Brazil, a supposedly migrating species (Siluriformes, Trichomycteridae)
    Wilson J. E. M. Costa,     Axel M. Katz
10.3897/zse.98.72392
 14-01-2022
 Unique: 1547 | Total: 2428  | Access Period:
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 13-21
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Research Article
Filling distribution gaps: Two new species of the catfish genus Cambeva from southern Brazilian Atlantic Forest (Siluriformes, Trichomycteridae)
    Wilson J. E. M. Costa, Caio R. M. Feltrin,     Axel M. Katz
10.3897/zse.97.61006
 02-03-2021
 Unique: 1886 | Total: 3142  | Access Period:
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 147-159
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Research Article
A new species from subtropical Brazil and evidence of multiple pelvic fin losses in catfishes of the genus Cambeva (Siluriformes, Trichomycteridae)
    Wilson J. E. M. Costa, Caio R. M. Feltrin,     Axel M. Katz
10.3897/zse.96.56247
 11-11-2020
 Unique: 2008 | Total: 3137  | Access Period:
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 715-722
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Research Article
Phylogeny and species delimitation based on molecular approaches on the species of the Australoheros autrani group (Teleostei, Cichlidae), with biogeographic comments
    Felipe Polivanov Ottoni, José L. O. Mattos,     Axel M. Katz,     Pedro H.N. Bragança
10.3897/zse.95.31658
 13-02-2019
 Unique: 3760 | Total: 6209  | Access Period:
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 49-64
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Research Article
Multigene analysis of the catfish genus Trichomycterus and description of a new South American trichomycterine genus (Siluriformes, Trichomycteridae)
    Axel Makay Katz, Maria Anais Barbosa, José Leonardo de Oliveira Mattos,     Wilson José Eduardo Moreira da Costa
10.3897/zse.94.29872
 22-11-2018
 Unique: 3584 | Total: 6455  | Access Period:
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 557-566
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Short Communication
Taxonomic status of Aphyocharax avary Fowler, 1913, Aphyocharax pusillus Günther, 1868 and Chirodon alburnus Günther, 1869 (Characiformes, Characidae)
Pâmella Silva de Brito,     Erick Cristofore Guimarães,     Axel Makay Katz, Nivaldo Magalhães Piorski,     Felipe Polivanov Ottoni
10.3897/zse.94.28201
 15-08-2018
 Unique: 3072 | Total: 5182  | Access Period:
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 393-399
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