v. 18, n. 2,

April / June 2020

Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grassland

Juliano Ferrer and Luiz R. Malabarba

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A new miniature species of Odontocharacidium (Characiformes: Crenuchidae) from the Río Orinoco basin, Venezuela

Elizabeth Kathleen de Queiroz Rodrigues and Andre L. Netto-Ferreira

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Comparative cytogenetic analyses in Ancistrus species (Siluriformes: Loricariidae)

Larissa Glugoski, Geize Deon, Stephane Schott, Marcelo R. Vicari, Viviane Nogaroto and Orlando Moreira-Filho

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Physical habitat as predictor of fish trophic structure in Brazilian Atlantic rainforest streams

Alexandre Peressin, Ruanny Casarim, Ivo Gavião Prado and Mauricio Cetra

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New species of Curimatopsis from the río Caroni, Orinoco basin, Venezuela, with comments on C. macrolepis (Characiformes: Curimatidae)

Bruno F. Melo

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Partial characterization of digestive proteases in juveniles of Microphis brachyurus (short-tailed pipefish) (Syngnathiformes: Syngnathidae)

Leonardo Martínez-Cárdenas, Carlos A. Frías-Quintana, Carlos A. Álvarez-González, Luis D. Jiménez-Martínez, Rafael Martínez-García, Oscar U. Hernández-Almeida, Javier Bello-Pineda, Leonardo U. Arellano-Méndez and Jesús T. Ponce-Palafox

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Phylogenetic relationships of the neon tetras Paracheirodon spp. (Characiformes: Characidae: Stethaprioninae), including comments on Petitella georgiae and Hemigrammus bleheri

Pedro Senna Bittencourt, Valéria Nogueira Machado, Bruce Gavin Marshall, Tomas Hrbek and Izeni Pires Farias

PDF: EN XML: EN | Supplementary: S1

Regression of dark color in subterranean fishes involves multiple mechanisms: response to hormones and neurotransmitters

Renato Grotta Grempel, Eleonora Trajano and Maria Aparecida Visconti

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Genetic evidence supports polygamous mating system in a wild population of Prochilodus lineatus (Characiformes: Prochilodontidae), a Neotropical shoal spawner fish

Josiane Ribolli, Carolina Isabel Miño, Bianca Maria Soares Scaranto, David Augusto Reynalte-Tataje and Evoy Zaniboni Filho

PDF: EN XML: EN | Supplementary: S1

Trophic strategies of the invasive Twospot livebearer (Pseudoxiphophorus bimaculatus, Teleostei: Poeciliidae) in a gradient of environmental quality in central Mexico

Omar Carbajal-Becerra, Karla Judith Olvera-Rodríguez, Gabriel Mariscal de Souza, Omar Yair Durán-Rodríguez, Arely Ramírez- García and Juan Pablo Ramírez-Herrejón

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High levels of docosahexaenoic acid are present in eight New World silversides (Pisces: Atherinopsidae)

Carlos A. Martínez-Palacios, Sibila Concha-Santos, Elva M. Toledo-Cuevas, María G. Ríos-Durán, Carlos C. Martínez-Chávez, Pamela Navarrete-Ramírez, Luciana Raggi, Carlos Strussmann, Juan P. Hualde, Mariela A. Demicheli and Jorge Fonseca-Madrigal

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Does soil color affect fish evolution? Differences in color change rate between lineages of the sailfin tetra

Kalebe S. Pinto, Tiago H. S. Pires, Gabriel Stefanelli-Silva, Bruno S. Barros, Elio A. Borghezan and Jansen Zuanon

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A new species of Cyphocharax (Characiformes: Curimatidae) with a horizontal color pattern from the rio Tapajós drainage, Amazon basin, Brazil

Gustavo Ceolin Bortolo and Flávio César Thadeo de Lima

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A new species of Parotocinclus with reduced adipose fin (Loricariidae: Hypoptopomatinae), from the rio Jacuípe basin, Bahia State, Brazil

Dario Ernesto da Silva-Junior, Telton Pedro Anselmo Ramos and Angela Maria Zanata

PDF: EN XML: EN

v. 18, n. 2,

April / June 2020

Systematic revision of the Neotropical catfish genus Scleronema (Siluriformes: Trichomycteridae), with descriptions of six new species from Pampa grassland

A new miniature species of Odontocharacidium (Characiformes: Crenuchidae) from the Río Orinoco basin, Venezuela

Comparative cytogenetic analyses in Ancistrus species (Siluriformes: Loricariidae)

Physical habitat as predictor of fish trophic structure in Brazilian Atlantic rainforest streams

New species of Curimatopsis from the río Caroni, Orinoco basin, Venezuela, with comments on C. macrolepis (Characiformes: Curimatidae)

Partial characterization of digestive proteases in juveniles of Microphis brachyurus (short-tailed pipefish) (Syngnathiformes: Syngnathidae)

Phylogenetic relationships of the neon tetras Paracheirodon spp. (Characiformes: Characidae: Stethaprioninae), including comments on Petitella georgiae and Hemigrammus bleheri

Regression of dark color in subterranean fishes involves multiple mechanisms: response to hormones and neurotransmitters

Genetic evidence supports polygamous mating system in a wild population of Prochilodus lineatus (Characiformes: Prochilodontidae), a Neotropical shoal spawner fish

Trophic strategies of the invasive Twospot livebearer (Pseudoxiphophorus bimaculatus, Teleostei: Poeciliidae) in a gradient of environmental quality in central Mexico

High levels of docosahexaenoic acid are present in eight New World silversides (Pisces: Atherinopsidae)

Does soil color affect fish evolution? Differences in color change rate between lineages of the sailfin tetra

A new species of Cyphocharax (Characiformes: Curimatidae) with a horizontal color pattern from the rio Tapajós drainage, Amazon basin, Brazil

A new species of Parotocinclus with reduced adipose fin (Loricariidae: Hypoptopomatinae), from the rio Jacuípe basin, Bahia State, Brazil

A new species of Knodus (Characiformes: Characidae: Stevardiinae) from the rio Aripuanã, rio Madeira basin, Brazil

A new species of Microglanis (Siluriformes: Pseudopimelodidae) from the Pacific slope of Ecuador

Fish biomarker responses to perturbation by drought in streams

Using community phylogenetics to assess phylogenetic structure in the Fitzcarrald region of Western Amazonia