Kelimpahan Dan Pola Distribusi Kerang Kepah (Meretrix Meretrix) Di Perairan P…

This research was conducted from September – Oktober 2014 in coastal water of Tanjung Balai Asahan north Sumatra. In general the shell was a group of invertebrate animal (invertebrates) with its shape easy to be recognized. Most shell were characterized by the presence of a shell that protected the body and only a small part type was not shelled. The mussel shell M. meretrix was an importat f…