Pola Lingkaran Pertumbuhan Pada Otolith Ikan Sumatra (Puntius Hexazona) Di Su…

The P.hexazona can be found in the upstream of the Sibam River and in the streams around the Riau University. A study aims to understand the pattern of otolith growth rings has been conducted from July to August 2019. The fish was capture using a scoop net. There were 62 fishes (25 fishes from the upstream of the Sibam River and 37 fishes from the streams in the Riau University). The otolit…