Estudio preliminar de la ictiofauna y los hábitats acuáticos del Río Bajo Paraguá, Santa Cruz, Bolivia

With the aim of improving our knowledge about the fish fauna of the Lower Paragua River (Iténez or Guaporé basin), fish collections and physic-chemical analyses of water were conducted in three localities in northern Santa Cruz, on the western border of the Noel Kempff Mercado National Park. Sampling periods lasted 5 days on each of three sites (Piso Firme, Florida y El Refugio) and two seasons (high waters: April-May, low waters: September). By using various fishing methods, 4098 fish belonging to 124 species were collected, 35 of them were new geographic records for the National Park. From...