Analysis of the Potential and Exploitation Rate of Narrow-barred Spanish Mackerel (Scomberomorus commerson) in Bangka Waters Monischa Sebayang, Misri Yandi, Wika Novianti JSIPi (Jurnal Sains dan Inovasi Perikanan) (Journal of Fishery Science and Innovation) Vol. 9 No. 2 2025 DOI 10.33772/jsipi.v9i2.1416