The genus Hemiancistrus occur in basins in South America. In this work analyses the distribution of the genera in the Argentina and realize considerations of the icthyofauna of the cuenca to the Uruguay river.

Monthly samples were taken from April 1992 to March 1993 of fish assemblages present in six permanent lagoons and four ponds, fragmented from them during the drought period and during the terminal phases of desiccation, ...

In this paper, we evaluate the effects of artificial reefs on fish assemblages in a hypereutrophic reservoir and in the lotic zone immediately below dam. Fish diversity was highest in the lotic zone relative to the reservoir. ...

San Ignacio Lagoon is a coastal lagoon in the west coast of Mexico that belongs to the largest protected area of the country: El Vizcaino Biosphere Reserve. Despite the outstanding ecological, bio-economical and landscape ...

The present work investigated the ichthyofauna in the shallow waters of the Paranaguá Bay estuarine complex, Paraná state, Brazil, considering eight sample sites along the north-south axis. The analyses of the physical and ...