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Axel Katz                
Universidade Federal do Rio de Janeiro
Rio de Janeiro, Brazil
12 articles by this author
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Relationships of a new fossorial Microcambevinae ...
Research Article
Relationships of a new fossorial Microcambevinae catfish species from southern Brazil supporting multiple dorsal-fin losses in Listrura (Siluriformes, Trichomycteridae)
    Wilson J. E. M. Costa,     Caio R. M. Feltrin,     José L. O. Mattos, Paulo J. Vilardo,     Axel M. Katz
10.3897/zse.101.139205
 04-07-2025
 Unique: 960 | Total: 1153
 Reprint: € 6,00
 1177-1185
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A new rare catfish species from southeastern ...
Research Article
A new rare catfish species from southeastern Brazil provides insights into the origins of similar colour patterns in syntopic, distantly related mountain trichomycterines (Siluriformes, Trichomycteridae)
    Wilson J. E. M. Costa,     Caio R. M. Feltrin,     José Leonardo O. Mattos,     Axel M. Katz
10.3897/zse.100.118000
 11-06-2024
 Unique: 1883 | Total: 2381
 Reprint: € 7,00
 755-767
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Relationships and description of a new ...
Research Article
Relationships and description of a new catfish species from Chapada Diamantina, the northernmost record of Trichomycterus s.s. (Siluriformes, Trichomycteridae)
    Wilson J. E. M. Costa,     Caio R. M. Feltrin,     José L. O. Mattos,     Axel M. Katz
10.3897/zse.100.115564
 06-03-2024
 Unique: 1742 | Total: 2298
 Reprint: € 6,00
 223-231
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Chromatic polymorphism in Trichomycterus ...
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: 2096 | Total: 2909
 Reprint: € 6,00
 161-171
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Redefinition of Heptapterus (Heptapteridae) ...
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: 3283 | Total: 5475
 Reprint: € 8,00
 327-343
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Phylogenetic relationships of a new catfish ...
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: 3351 | Total: 4993
 Reprint: € 7,00
 151-164
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A new catfish of the genus Trichomycterus f ...
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: 3282 | Total: 4938
 Reprint: € 6,00
 13-21
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Filling distribution gaps: Two new species ...
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: 3590 | Total: 5631
 Reprint: € 7,00
 147-159
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A new species from subtropical Brazil ...
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: 3408 | Total: 5059
 Reprint: € 5,00
 715-722
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Phylogeny and species delimitation based ...
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: 5414 | Total: 8784
 Reprint: € 7,00
 49-64
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Multigene analysis of the catfish genus ...
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: 5521 | Total: 9593
 Reprint: € 6,00
 557-566
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Taxonomic status of Aphyocharax avary ...
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: 4624 | Total: 7485
 Reprint: € 5,00
 393-399
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