18(2) – Página: 2 – Neotropical Ichthyology

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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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

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

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

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

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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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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Comparative cytogenetic analyses in Ancistrus species (Siluriformes: Loricariidae) Read More »

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

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