Ictiofauna y actividad pesquera en la microcuenca del Rio Chajeradó, Atrato Medio (Colombia)

Abstract

With the goal of characterizing the ichtiofauna and describing certain aspects of the fishery activities in the Chajeradó rivermicro-basin, two lagoons, three rivers and four streams were sampled between November and December 1995. A total oftwenty-eight species, belonging to five orders and fourteen families, were captured. Of these, 21.4% were found exclusivelyin streams, 14.3% in rivers and 10.7% in lagoons. Ninety-one indigenous people of the Chajeradó community fish withovershot and sag in the rivers and streams. The twelve people of the Tadía afro-american community fish with seines in thelagoons and mouths of large rivers. Indigenouss and afro-american people conduct their fishery activities inside of theterritorial limits of each community. The most important species for commerce are Prochilodus magdalenae and Hopliasmalabaricus 68.5% of the commercial fishes captured did not have the minimum size for sexual maturity.