Aggression and dominance in cichlids in resident-intruder tests: the role of environmental enrichment
Vincent Nijman and Boudewijn A. Heuts
A new species of sand-dwelling catfish, with a phylogenetic diagnosis of Pygidianops Myers (Siluriformes: Trichomycteridae: Glanapteryginae)
Mário C. C. de Pinna and Alexandre L. Kirovsky
Use of sodium chloride and zeolite during shipment of Ancistrus triradiatus under high temperature
Wilson F. Ramírez-Duarte, Carolina Pineda-Quiroga, Nhora Martínez and Pedro R. Eslava-Mocha
Two new trans-Andean species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from Colombia
Armando Ortega-Lara, Nadia Milani, Carlos DoNascimiento, Francisco Villa-Navarro and Javier Alejandro Maldonado-Ocampo
Two new species of Microglanis (Siluriformes: Pseudopimelodidae) from the upper-middle rio Araguaia basin, Central Brazil
William Benedito Gotto Ruiz and Oscar Akio Shibatta
The effect of rearing temperature in larval development of pejerrey, Odontesthes bonariensis – Morphological indicators of development
Tomás Chalde, Daniel A. Fernández, Víctor E. Cussac and Gustavo M. Somoza
Taxonomic review of Colombian Parodon (Characiformes: Parodontidae), with descriptions of three new species
Alejandro Londoño-Burbano, César Román-Valencia and Donald C. Taphorn
Spatial patterns of zooplanktivore Chirostoma species (Atherinopsidae) during water-level fluctuation in the shallow tropical Lake Chapala, Mexico: seasonal and interannual analysis
Rodrigo Moncayo-Estrada, Carlos Escalera-Gallardo and Owen T. Lind