Los peces del Río Magdalena.
Subtitle: A field book of Magdalena fishes.
Contributors: Colombia. Ministerio de la Economía Nacional.
Publisher: Editorial El Gráfico
Published: 1947
Place of publication: Bogotá
Language: spa
Number of pages: 214
Subjects: Fishes -- Colombia -- Magdalena River.
Other titles: A field book of Magdalena fishes.
Notes: "Bibliografía":  p. xvi-xxiii.
At head of title:  República de Colombia.  Ministerio de la Economía Nacional.  Sección de Piscicultura, Pesca y Caza.
Errata slip inserted.