The Fisheries Department (DOF) has revealed that six rivers in the Klang Valley are now monopolised by foreign fish species, such as ikan bandaraya (Amazon sailfin catfish), black tilapia and keli afrika (African catfish).

DOF director-general Datuk Adnan Hussain expressed serious concern over this issue, noting that the prevalence of these foreign species could hinder the development of ecosystem biodiversity in these rivers.

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