Perbedaan Hasil Tangkapan Gurita (Octopus Vugaris) Menggunakan Cangkang Keran…

The research was conducted on august 2016 in Kuala Tanjung Indah village Batubara Regency of Riau. This research aims to compare the catch octopus use two different types of cement trap and native shellfish shell trap as control. The method use in this research is a survey conducted for 10 days. The catches during of research were 25,44kg (248 fishes). The result of research for shell is 8,85kg…