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All Journal BULETIN OSEANOGRAFI MARINA Jurnal Perikanan Universitas Gadjah Mada Jurnal Segara JINAV: Journal of Information and Visualization International Review of Practical Innovation, Technology and Green Energy (IRPITAGE) Buletin Pengabdian South East Asian Marine Sciences Journal Tolis Mengabdi : Jurnal Pengabdian Kepada Masyarakat Journal of Marine Studies Jurnal Solusi Masyarakat Dikara Inovasi Sosial: Jurnal Pengabdian Masyarakat
Ruzanna, Arina
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Mathematics Public Health Social Sciences Other

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The Molecular Study on the Identity, Genetic Composition, and Phylogenetic Relationships of Carcharhinus (Blainville, 1816) Sharks in the Western Waters of Aceh Bahri, Samsul; Ruzanna, Arina; Burhanis, Burhanis
Jurnal Perikanan Universitas Gadjah Mada Vol 27, No 2 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.111404

Abstract

The shark genus Carcharhinus faces high exploitation pressure in the Western Waters of Aceh, while comprehensive genetic data to support conservation remains limited. This study aimed to identify species, analyze nucleotide composition, and reconstruct the phylogenetic relationships of Carcharhinus sharks using the Cytochrome c oxidase subunit I (COI) gene as a molecular marker. A total of 14 tissue samples were collected from three fish landing sites: Aceh Jaya, West Aceh, and Southwest Aceh. Standard procedures included DNA extraction, PCR amplification, sequencing, and bioinformatic analysis using BLAST for identification and MEGA for phylogenetic analysis via the Neighbor-Joining method. Molecular identification successfully confirmed the presence of six species: Carcharhinus falciformis (n=7), C. sorrah (n=3), C. brevipinna (n=1), C. amboinensis (n=1), C. amblyrhynchos (n=1), and C. limbatus (n=1), with identity matches ranging from 99.23-100%. Nucleotide composition analysis revealed a consistent bias towards Adenine and Thymine bases (AT-rich), a common characteristic of the elasmobranch mitochondrial genome. The reconstructed phylogenetic tree demonstrated that each species formed a solid monophyletic group with high bootstrap support. The analysis also confirmed C. brevipinna and C. amboinensis as sister taxa. No clear geographic population structure was found for widespread species, indicating high population connectivity within these waters. This molecular baseline data is crucial for supporting evidence-based fisheries management and conservation strategies for threatened shark species in Indonesia.
MORPHOMETRIC STUDY OF SWANGGI FISH (Priacanthus tayenus ,Richardson, 1846) IN CITUIS WATERS, BANTEN Ruzanna, Arina; Syahrial, Syahrial; Khalil, Munawar; Ayuzar, Eva; A’kla, Cut Meurah Nurul; Agustini, Nella Tri; Ikhsan, Nur
Jurnal Segara Vol 20, No 2 (2025): December
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/segara.v20i2.19229

Abstract

Priacanthus tayenus fish, often referred to as Swanggi, were found during fishing activities in the Cituis area, Banten. This indicates that the potential population of this fish remains substantial and has high economic value. A total of 30 fish were obtained, consisting of 11 female fish and 19 male fish. This study used the purposive sampling method. Analysis of the relationship between the length and weight of Swanggi fish from the waters of Cituis showed a correlation coefficient (r) of 0.9305. This figure indicates that the growth of the Swanggi fish is isometric. The length of the Swanggi fish (PB) increases with increasing morphological size. Food availability is thought to influence these correlation results. The availability of food plays a crucial role in the growth process. These correlation results indicate that food availability in the waters is still sufficient to support the life of the Swanggi fish.
Co-Authors 'Akla, C. M. N. Aidilof, Hafizh Al Kautsar Al Azmy, Muhammad Ridho Al Ananta Wira Andika, Yudho Anis Nugrahawati Aprilita, T. Salsa Asih Makarti Muktitama A’kla, Cut Meurah Nurul Burhanis, Burhanis Cut Rozana Sari Erniati Erniati Eva Ayuzar, Eva Fauzi, Sabri FITRIANTI Habib EY, M. Hamsi, Widia Handayani, Meutia Hawis H Madduppa Ikhsan, Nur Imamshadiqin, Imamshadiqin Imanullah, Imanullah Irmayunita, Irmayunita Irunsah, Aslan Jamil, Fajrul Kabiruddin Laksono, Arief Budi Latifah Latifah Muhammad Hatta Muliani Muliani, Muliani Muliari Muliari Muliari Munawar Khalil Munira, Nanda Mursawal, Asri Na'syakban, Irvan Nasution, Riski Dahrian Nella Tri Agustini, Nella Tri Nopri Yanto Nurlisa Alias Butet Pane, Andina Ramadhani Putri Rahma Fitria, Rahma Rahmadian, Alfina Wahyu Rika Anggraini Rinaldi Rini Meiyanti Rizalul Fikri, Rizalul Samsul Bahri Sartika, Ayu Sitanggang, Hizrah Ayumi Sri Wahyuni Suhartin Suhartin Suhartin SYAHRIAL SYAHRIAL Syahrial Syahrial Syamsiar, Syamsiar Tauladan, Toha Ali