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
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
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
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
Trichomycterus igobi, a new catfish species from the rio Iguaçu drainage: the largest head in Trichomycteridae (Siluriformes: Trichomycteridae)
Wolmar B. Wosiacki and Mário de Pinna
Revision of the species of the genus Cathorops (Siluriformes: Ariidae) from Mesoamerica and the Central American Caribbean, with description of three new species
Alexandre P. Marceniuk and Ricardo Betancur-R.
Potamotrygon boesemani (Chondrichthyes: Myliobatiformes: Potamotrygonidae), a new species of Neotropical freshwater stingray from Surinam
Ricardo S. Rosa, Marcelo R. de Carvalho and Cristiane de Almeida Wanderley
Population structure, growth and fishery yield of Leporinus acutidens (Valenciennes, 1837) (Teleostei: Anostomidae) in Yacyretá Reservoir (Argentina)
Patricia R. Araya, Angelo A. Agostinho and José A. Bechara