Leonardo C. Rosa and Carlos E. Bemvenuti

Temporal variability of the estuarine macrofauna of the Patos Lagoon, Brazil (Article in english)

Jorge A. Acevedo, Anelio Aguayo-Lobo y Luis A. Pastene

Site Fidelity of Humpback Whales ((Megaptera novaeangliae Borowski, 1781) to the Magellan Strait feeding ground (Article in spanish)

Susana G. Perales y Alicia L. Boraso

Relation between Blidingia minima (Ulvales, Chlorophyta) and environmental factors at Punta Maqueda (San Jorge Gulf, Argentina) (Article in spanish)

María del Carmen Navarro-Rodríguez, Luis Fernando González Guevara, Ramiro Flores-Vargas, María Elena González Ruelas y Fátima Maciel Carrillo González

Ichthyoplankton composition and variability of the laguna El Quelele, Nayarit, Mexico (Article in spanish)

Gabriel A. Bambill, Masakazu Oka, Mariela Radonić, Andrea V. López, Mónica I. Müller, Juan J. Boccanfuso and Federico A. Bianca

Broodstock management and induced spawning of flounder Paralichthys orbignyanus (Valenciennes, 1839) under a closed recirculated system (Article in english)

Carlos Muñoz, Mauro Nirchio, Julio E. Pérez, Ernesto Ron Claudio Oliveira and Irani A. Ferreira

Cytogenetic characterization of the silverside fish Odontesthes regia (Humboldt, 1833) (Teleostei: Atheriniformes: Atherinopsidae) from Iquique, Chile (Article in english)

Gladis A. López-Ibarra y Ricardo Palomares-García

Copepod community structure in Magdalena Bay, Mexico, during El Niño 1997-1998 (Article in spanish)

Rosa R. Mouriño-Pérez, Josué Alvarez-Borrego and Cristián Gallardo-Escárate

Digital color correlation for the recognition of Vibrio cholerae 01 in laboratory and environmental samples (Article in english)

Andrea L. Meireles, Mariana Terossi, Renata Biagi and Fernando L. Mantelatto

Spatial and seasonal distribution of the hermit crab Pagurus exilis (Benedict, 1982) (Decapoda: Paguridae) in the southwestern coast of Brazil (Article in english)

Margarita Casas-Valdez, Guillermo Portillo-Clark, Noemí Aguila-Ramírez, Sonia Rodríguez-Astudillo, Ignacio Sánchez-Rodríguez y Silvia Carrillo-Domínguez

Effect of the marine algae Sargassum spp. on the productive parameters and cholesterol content of the brown shrimp, Farfantepenaeus californiensis (Holmes, 1900) (Article in spanish)

Kelly Swing and Philippe Béarez

First record of an elephant fish (Chondrichthyes, Holocephali) in Ecuadorian waters during an ENSO event (Scientific note in english)

Isabel Andrade y Germán Pequeño

First record of Hydrolagus pallidus Hardy & Stehmann, 1990 (Chondrichthyes: Chimaeridae) in the Pacific Ocean, with comments on Chilean holocephalians (Scientific note in spanish)

José R. Rojas, Claudia I. Fuentes y Numa R. Hernández

Echinorhinus cookei Pietschamnn, 1928 (Chondrichthyes: Squaliformes, Echinorhinidae), first record in El Salvador waters, Tropical Eastern Pacific (Scientific note in spanish)

Sebastián Ramos-Cruz y Eduardo Ramos Santiago

Relative abundance of penaeid shrimp postlarvae in the Salinas del Marques Bay, Gulf of Tehuantepec, Mexico. March to June of 1999 (Scientific note in spanish)

Josué Álvarez-Borrego and Emma Josefina Fájer-Ávila

Identification of platyhelminth parasites of the wild bullseye pufferfish (Sphoeroides annulatus Jenyns, 1853) using invariant digital color correlation (Scientific note in english)