v. 4, n. 2,

April / June 2006

A portable bio-amplifier for electric fish research: design and construction

Jonathan K. Wells and William G. R. Crampton

A review of the species of Crenicichla (Teleostei: Cichlidae) from the Atlantic coastal rivers of southeastern Brazil from Bahia to Rio Grande do Sul States, with descriptions of three new species

Sven O. Kullander and Carlos A. Santos de Lucena

Ambicoloration and morphological aberration in the sole Achirus declivis (Pleuronectiformes: Achiridae) and two other cases of color abnormalities in achirid soles from southeastern Brazil

Raphael Mariano Macieira, Jean-Christophe Joyeux and Leandro Pereira Chagas

Ambicolored specimens of the flounder Paralichthys orbignyanus (Pleuronectiformes: Paralichthyidae)

Agustín Carnikián, Alicia Acuña and Federico Viana

Astyanax aff. fasciatus Cuvier, 1819 (Teleostei; Characidae): evidences of a species complex in the upper rio Tibagi basin (Paraná, Brazil)

Roberto Ferreira Artoni, Oscar Akio Shibatta, Maria Claudia Gross, Carlos Henrique Schneider, Mara Cristina de Almeida, Marcelo Ricardo Vicari and Luiz Antonio Carlos Bertollo

Checklist comparison and dominance patterns of the fish fauna at Taim Wetland, South Brazil

Alexandre M. Garcia, Marlise A. Bemvenuti, João P. Vieira, David M. L. Motta Marques, Marcelo D. M. Burns, Alex Moresco and Mario Vinicius L. Condini

Chromosomal characterization of the bonytongue Arapaima gigas (Osteoglossiformes: Arapaimidae)

Debora Karla Marques, Paulo Cesar Venere and Pedro Manoel Galetti Junior

Collaborative monitoring of the ornamental trade of seahorses and pipefishes (Teleostei: Syngnathidae) in Brazil: Bahia State as a case study

Ierecê L. Rosa, Cláudio L. S. Sampaio and Adrianne T. Barros

Comparing on site human and video counts at Igarapava fish ladder, Southeastern Brazil

Mark D. Bowen, Simone Marques, Luiz G. M. Silva, Volney Vono and Hugo P. Godinho

Cruciglanis, a new genus of Pseudopimelodid catfish (Ostariophysi: Siluriformes) with description of a new species from the Colombian Pacific coast

Armando Ortega-Lara and Pablo Lehmann A.

Effects of the proximity from an industrial plant on fish assemblages in the rio Paraíba do Sul, southeastern Brazil

Benjamin Carvalho Teixeira Pinto, Magna Galvão Peixoto and Francisco Gerson Araújo

Microglanis pataxo, a new catfish from southern Bahia coastal rivers, northeastern Brazil (Siluriformes: Pseudopimelodidae)

Luisa M. Sarmento-Soares, Ronaldo F. Martins-Pinheiro, Arion T. Aranda and Carine C. Chamon

Modeling energy flow in a large Neotropical reservoir: a tool do evaluate fishing and stability

Ronaldo Angelini, Angelo Antonio Agostinho and Luiz Carlos Gomes

Preliminary examination of food web structure of Nicola Lake (Taim Hydrological System, south Brazil) using dual C and N stable isotope analyses

Alexandre M. Garcia, David J. Hoeinghaus, João P. Vieira, Kirk O. Winemiller, David M. L. Motta Marques and Marlise A. Bemve

Redescription of the type species of Odontostilbe Cope, 1870 (Teleostei: Characidae: Cheirodontinae), and description of three new species from the Amazon basin

Cristina M. Bührnheim and Luiz R. Malabarba

Tectonic history and the biogeography of the freshwater fishes from the coastal drainages of eastern Brazil: an example of faunal evolution associated with a divergent continental margin

Alexandre Cunha Ribeiro

Testing the ecomorphological hypothesis in a headwater riffles fish assemblage of the rio São Francisco, southeastern Brazil

Lilian Casatti and Ricardo M. C. Castro

The almost invisible league: crypsis and association between minute fishes and shrimps as a possible defence against visually hunting predators

Lucélia Nobre Carvalho, Jansen Zuanon and Ivan Sazima