v. 5, n. 4,
October / December 2007
A new species of Acestridium Haseman, 1911 (Loricariidae: Hypoptopomatinae) from the Eastern Amazon basin, Brazil
Mónica S. Rodriguez and Roberto E. Reis
A new species of Hypostomus Lacépède, 1803 (Siluriformes: Loricariidae) from the upper rio Paraná basin, Southern Brazil
Fernando C. Jerep, Oscar A. Shibatta and Cláudio H. Zawadzki
A new species of sexually dimorphic Pareiorhaphis Miranda Ribeiro, 1918 (Siluriformes: Loricariidae) from the rio Doce basin, Brazil
Edson H. L. Pereira, Fábio Vieira and Roberto E. Reis
Comparison of spermiogenesis in the externally fertilizing Hemigrammus erythrozonus and the inseminating Corynopoma riisei (Teleostei: Characiformes: Characidae)
Anna Pecio, John R. Burns and Stanley H. Weitzman
Growth of the Silverside Atherinella brasiliensis in Tramandaí Estuary, Southern Brazil (Actinopterygii: Atherinopsidae)
Giovana Bervian and Nelson F. Fontoura
Parasitic castration, growth, and sex steroids in the freshwater bonefish Cyphocharax gilbert (Curimatidae) infested by Riggia paranensis (Cymothoidea)
Neuza R. W. Lima , Juliana de S.Azevedo, Leonardo G. da Silva, and Marilvia Dansa-Petretski
Reproductive biology of Rhaphiodon vulpinus (Ostariophysi: Cynodontidae) in the Tocantins River Basin, Brazil
Andréa L. Neuberger, Elineide E. Marques, Carlos S. Agostinho, and Rafael J. de Oliveira