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All Journal BULETIN OSEANOGRAFI MARINA Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Jurnal Pasir Laut Bioma : Berkala Ilmiah Biologi Jurnal Akademika Biologi Management of Aquatic Resources Journal (Maquares) Journal of Marine Research AL KAUNIYAH Jurnal Kelautan Tropis Indonesian Journal of Chemical Science JURNAL ENGGANO JFMR (Journal of Fisheries and Marine Research) Jurnal Laut Khatulistiwa Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Jurnal Segara Journal of Aquaculture and Fish Health International Journal of Islamic Education, Research and Multiculturalism (IJIERM) Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Aninditia Sabdaningsih
Departemen Sumberdaya Akuatik, Fakultas Perikanan Dan Ilmu Kelautan, Universitas Diponegoro
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Engineering Environmental Science Materials Science & Nanotechnology Physics Other

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Journal : Jurnal Segara

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MOLECULAR IDENTIFICATION OF Charybdis affinis: A NEW RECORD OF SMOOTH-SHELLED SWIMMING CRAB FROM INDONESIAN WATERS Zainuddin, Muhammad; Saputro, Suradi Wijaya; Sabdaningsih, Aninditia; Mudzakir, Abdul Kohar
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.v20i2.20714

Abstract

This study aims to confirm the species identity of Charybdis affinis from the coastal waters of Tuban, Indonesia, using integrated morphological and molecular approaches. Specimens were examined based on morphological characteristics including carapace shape, anterolateral teeth arrangement, cheliped spination, and dorsal setation. Morphometric analysis showed carapace width ranging from 4.09–4.40 cm and length from 2.68–2.99 cm. Molecular identification was conducted using the mitochondrial cytochrome c oxidase subunit I (COI) gene. PCR amplification produced a 638 bp DNA fragment. BLAST analysis revealed 99.06% sequence identity with Charybdis affinis in GenBank with 100% query coverage, and the obtained sequence has been deposited in GenBank under accession number PV699569.1. Phylogenetic reconstruction using the Neighbor-Joining method showed that the samples clustered within the C. affinis clade and were clearly separated from closely related species. These findings confirm the first molecular record of C. affinis in Indonesian waters and demonstrate strong agreement between morphological and genetic characteristics. This study provides essential baseline information for biodiversity assessment and sustainable management of portunid crab resources.
Co-Authors Abdul Kohar Mudzakir Abdul Qadir Jailani, Abdul Qadir Achmad Mufidh Karomatullah Adriyani, Alvita Afwa, Rainuy Saninzita Agus Hartoko Agus Sabdono Agus Trianto Anakotta, Anthoinette Rosaline Fransisca Anhar Solichin Anhar Solichin Anto Budiharjo Arif Rahman Arina Tri Lunggani Aristi Dian Purnama Fitri Asriyana, . Bahry, Muhammad Syaifudien Baroqi, A. Riza Churun Ain Delianis Pringgenies Delianis Pringgenies DIAH AYUNINGRUM Diah Ayuningrum, Diah Dianti Eka Yurnaningsih Diva Triza Novitasari Endang Kusdiyantini Fadhila, Zalfa Langgeng Febrianto, Sigit Fitria Sari Fitria Sari Fitriadi, Ren Haeruddin Haeruddin Haeruddin Haeruddin Huda, Anisa Arifatul Karohmatullah, Achmad Mufidh Kharisma Ayu Zeina Halisah Lazuardhi, Risqi M. Rehatta, Beatrix Mada Triandala Sibero Max Rudolf Muskananfola Millatia, Zulfa Muhammad Zainuddin Muhammad Zainuddin Muhammad Zainuddin Muhammad Zainuddin Nailirohmah, Ulya Melly Natalie, Gyorgiana Gilda Niniek Widyorini Niniek Widyorini Novitasari, Diva Triza Nur Handayani Ocky Karna Radjasa Ocky Karna Radjasa Ocky Karna Radjasa Oktavianto Eko Jati Pujiono Wahyu Purnomo Pujiono Wahyu Purnomo Putra, Muhammad Ardinan Dwi Rahmadhati, Kharisma Yulia Rahmawati, Silviana Dian Ratna Diyah Palupi Rizaldi, Rahmat Rosari, Arinda Sakina, Kurnia Saputro, Suradi Wijaya Sarjito - Siti Rudiyanti Slamet Budi Prayitno slamet budi prayitno Soedibya, Petrus Hary Tjahja Subagiyo Subagiyo Subagiyo Subagiyo Subhan Subhan Suradi Wijaya Saputra Suradi Wijaya Saputra Suradi wijaya Saputra Suradi Wijaya Saputra Suryanti Tahrin, Maria Taufani, Wiwiet Teguh Timur, Putra Satria Vivi Endar Herawati Vivi Endar Herawati Widjaya Saputra, Suradi Yurnaningsih, Dianti Eka