Blacktip reefshark (Carcharhinus melanopterus) individual’s identification in Morotai waters using its fin’s natural markings Darmawan Ahmad Mukharror, Dewi Susiloningtyas, Tuty Handayani, Niomi Pridina ABSTRACT: As part of conservation means, ecotourism on shark watching activities has been popular for the last 10 – 25 years. Achieving rank fourth in the shark tourism world, shark watching tourism