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Journal : Journal of Fisheries

Uncovering Molluscs Diversity in Mandalika Coastal Through eDNA Metabarcoding Candri, Dining Aidil; Mursal Ghazali; Tri Wahyu Setyaningrum; Mardiati, Aina Ul; Muhammad Syach Maulad Ichfa
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 3 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v17i3.73791

Abstract

Graphical Abstract   Highlight Research The environmental DNA (eDNA) method successfully identified four species of molluscs (Monetaria , M. annulus, M. obvelata, and Phyllaplysia sp.) and two family taxa (Strombidae and Cypraeidae) from the seagrass and coral reef ecosystems on the Mandalika coast. The species annulus, M. obvelata, and Phyllaplysia sp were detected in the coastal area of ​​Mandalika for the first time using the eDNA approach, although they had never been recorded observationally in this area before. The eDNA method is able to detect species that are difficult to observe directly, such as Phyllaplysia, which have never been reported in the coral reef ecosystem of Mandalika. This study emphasizes the urgency of sustainable coastal area management with an eDNA-based scientific approach to monitor diversity, detect rare species, and evaluate the impact of human activities on the ecosystem.     Abstract Molluscs are one of the main taxa in coastal ecosystems that play an important role in the food chain, bioindicators, and have high economic value. However, the limitations of conventional methods in detecting species that live hidden in complex ecosystems, such as seagrass and coral reefs, are a challenge in biodiversity monitoring. This study aimed to explore the diversity of mollusc species in the Mandalika coastal area using an eDNA metabarcoding approach. This study used the environmental DNA (eDNA) metabarcoding method to identify the diversity of molluscs in the coastal ecosystem of Mandalika, Central Lombok. The sites including Kuta Beach, Gerupuk Bay, and Aan Cape along the Mandalika coastal that contain both seagrass bed and coral reef ecosystems. Two samples were taken from each site in both the seagrass bed and coral reef ecosystems. Analysis of six water samples resulted in 99 ASVs and 116,611 final sequences, with 10 ASVs (50,960 sequences) identified as Mollusca taxa, all from the Gastropoda class. Four species were successfully identified, including Monetaria sp. M. obvelata, M. annulus and Phyllaplysia sp. that had not previously been reported through direct observation or conventional identification methods in Mandalika coastal area. Species diversity varied between locations and was influenced by environmental factors such as temperature, pH, salinity, phosphate, and anthropogenic pressure. These results show that eDNA metabarcoding is an effective tool in detecting mollusc species, even in hard-to-reach habitats, and support the urgency of scientific data-based mollusc conservation management.
Co-Authors AA Ngurah Nara Kusuma Abdus Sabil, Abdus Adhawati, Laela Ahmad Jupri Ahmad Jupri Ahyadi, Himan AIDA MUSPIAH Aina Ul Mardiati Aina Ul Mardiati Amalia, Yunda Fitri Rizky Andri Frediansyah, Andri Arben Virgota Arben Virgota Arianti, Alya Artiningrum, Novitaa Tri Aulia Zahara, Asha Aulia, Nurul Waroatul Bagus Hakimi Baiq Farista Baiq Farista Baiq Farista Berliana, Cok Gea Derksen, Engelina Noer Soraya Destiana, Elvina Dewi, Saskia Septina Eka Prasedya Sunarwidhi Eka Sunarwidhi Prasedya Engelina Noer Soraya Evy Aryanti Farista, Baiq Fidyantini, Findi Galuh Tresnani Gusti Ngurah Eka Putra Haqiqi, Nirwana Hasanto, Rizki Primaditya Hidayat, Ismadi Dwi Saputra Hilman Ahayadi Hilman Ahyadi Hilman Ahyadi Hilman Ahyadi I Putu Bayu Putra Kastawan I Wayan Suana Ida Wayan Brahmanda Menu Wedham Iman, Zuhratul Immy Suci Rohyani Intan Pandini Irawan, Muhammad Rizki Putra Isnaini Marliana Kartini Ambarwati Kholidah, Baiq Maylina Kurniawan, Ali Laela Junnita Hidayati Laily Hunawatun Sani Lalu Japa, Lalu Lestari, Dinda Propita Lestari, Novidya Aulia Lia Mar’atus Sholeha Luh Putu Ayu Damayanti, Luh Putu Ayu M. Subandi Rahmani Mardiati, Aina Ul Martha, Eriko Thopan Muhammad Syach Maulad Ichfa Muhammad Syach Nuzul Firdauzy Munawaroh, Anggi Nurhardiyanti Murdani, Muhammad Taufiq Zulfikri Muspi’ah, Aida Ningrum, Audya Septria Novida Sari Novita Tri Artiningrum NOVITA TRI ARTININGRUM Nur Indah Julisaniah Nurfitriani, Anisa Nurhairani Nurhairani, Nurhairani Nurhayati, Nurhayati nurrijawati Nurrijawati, Nurrijawati nurulfadilah Pardede Shinta Trilestari Pazila, Baiq Dinda Aluh Putri Permatasari, Baiq Dewi Prasedya, Eka Sunarwidhi Pratiwi, Baiq Dwi Sekarjati Qoriasmadillah, Wanda Rabiatul Adawiyah Ramdhiani, Arsyka riandinata, selamet kurniawan Rindahmawati, Rika Rizki, Anis Syakiratur Rizkia Apriani Rosiyani, Amita Dwi Royani, Baiq Nurlatifa Saputri, Ferza Ayu Sasmitha, Yuan Sebastian Aviandhika Shofiana, Dwi Auliya Slamet Kurniawan Riandinata sri puji astuti Sri Puji Astuti Sukiman . Sukiman Sukiman Sukmaraharja Aulia Rachman Tarigan Suripto Suryadi, Bambang Fajar Syahadatina, Rifqah Hashifah Syakiratur Rizki, Anis Thabrani, Rijal Tri Mulyaningsih Tri wahyu Setyaningrum Tri Wahyu Setyaningrum, Tri Wahyu Ulfaturrahmi, Martina Ulya Nisa Afifa Virgota, Arben Yuliadi Zamroni Yuliadi Zamroni Yuliadi Zamroni Zahara, Asha Aulia Zain, Baiq Kharisma Afrilia Putri Zuhraini