Analisis Isi Lambung Ikan Ingir-Ingir (Mystus Nigriceps, Valenciannes 1840) D…

Mystus nigriceps is one type of fish that is used by the community as a consumption and economic need that causes a population decline in nature. One of the causes is excessive arrest. This study aims to find out the type of natural food of M. nigriceps in the Kampar Kiri River of Mentulik Village. Sampling is done using a net by fishermen. Observation of the contents of the fish hull is do…