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All Journal HAYATI Journal of Biosciences Biospecies Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Jurnal Ilmiah Mahasiswa Kelautan Perikanan Unsyiah DERIVATIF BERITA BIOLOGI Biosaintifika: Journal of Biology & Biology Education Jurnal Laot Ilmu Kelautan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Aceh Journal of Animal Science Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Nur Fadli
Department Of Aquaculture, Faculty Of Marine And Fisheries, Syiah Kuala University Banda Aceh, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Immunology & microbiology Physics Veterinary

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Journal : HAYATI Journal of Biosciences

 1 
DNA Barcoding of Six Commercially Important Groupers (Epinephelidae) from Langsa, Aceh, Indonesia Fadli, Nur; Jumiati, Sri; Razi, Nanda Muhammad; Damora, Adrian; Muchlisin, Zainal A.; Dewiyanti, Irma; Ramadhaniaty, Mutia; Harnelly, Essy; Habib, Ahasan; Siti-Azizah, Mohd Nor
HAYATI Journal of Biosciences Vol. 31 No. 2 (2024): March 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.2.328-335

Abstract

Groupers are among the fish groups that are difficult to recognize due to their high morphological similarities. Therefore, molecular techniques, particularly DNA barcoding, are extensively utilized to differentiate this fish group. This study aimed to analyze and validate six grouper species belonging to the Epinephelidae family that were harvested from Langsa district waters in Aceh province, Indonesia, based on DNA barcode data. It was conducted from June to December 2021, with the fish specimens collected from fishers at fish landing sites and the fish market in Langsa City, Aceh province. A total of 22 grouper sequences belonging to six species were generated, namely Epinephelus coioides, E. bleekeri, E. malabaricus, E. erythrurus, E. sexfasciatus and Mycteroperca poecilonotus (formerly Epinephelus poecilonotus). Genetic distance within these species ranged from 0.10 to 0.73% (average: 0.40%). Notably, E. malabaricus and E. coioides exhibited the closest genetic kinship (4.07%), while E. sexfasciatus and M. poecilonotus displayed the greatest genetic distance (19.33%). This study provides the first DNA reference for grouper in Langsa district, Indonesia, with significant implications for future sustainable grouper management.
DNA Barcoding of Commercially Important Groupers (Epinephelidae) in Simeulue and Banyak Islands, Aceh, Indonesia Fadli, Nur; Razi, Nanda Muhammad; Damora, Adrian; Muchlisin, Zainal A.; Ramadhaniaty, Mutia; Rahayu, Sri Riska; Harnelly, Essy; Habib, Ahasan; Siti-Azizah, Mohd Nor
HAYATI Journal of Biosciences Vol. 32 No. 4 (2025): July 2025
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.32.4.1080-1091

Abstract

The groupers are a group of demersal fish that live in tropical and subtropical areas and are mostly linked to coral reefs. The fish are highly valued in international markets and are subjected to overfishing in the wild. Accurate fish resource identification knowledge is essential for sustainable fisheries management. This research is aimed to generate a reference COI sequence library of grouper species caught in Simeulue and Banyak Islands, Aceh. The study was conducted from April-September 2021 at sixteen fish landing sites in Simeulue and Banyak Islands. In total, this study generated 70 COI sequences representing 20 grouper species. Epinephelus (54%) was the most prevalent grouper genus at the study site, followed by Cephalopholis (19%), Plectropomus (13%), Variola (12%), Hyporthodus (1%), and Anyperodon (1%). According to the IUCN classification, 17 species (85%) fall into the category of Least Concern, two (10%) fall into the category of Vulnerable, and one (5%) falls into the category of Data Deficient. The average genetic distance based on the Kimura-2-Parameter (K2P) between specimens was 0.51% at the species level and 8.34% at the genus level. Overall, this study has provided the COI sequence database of grouper for the Simeulue and Banyak Islands.
Exploring the Genetic Landscape of Octopus cyanea: Connectivity and Population Structure in Northern Waters of Sumatra Ramadhaniaty, Mutia; Damora, Adrian; Moula, Intania; Fadli, Nur; Razi, Nanda Muhammad; Muchlisin, Zainal A
HAYATI Journal of Biosciences Vol. 33 No. 2 (2026): March 2026
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.33.2.529-539

Abstract

Octopus cyanea is an ecologically and economically important cephalopod with wide larval dispersal influenced by ocean currents. However, geographic isolation among island clusters in northern Sumatra may restrict gene flow and shape population structure. This study investigated the genetic diversity and connectivity of O. cyanea from five populations (Aceh Island, Weh Island, Banyak Island, Simeulue Island, and Nias Island) using mitochondrial cytochrome c oxidase subunit I (COI) sequences. A total of 21 individuals were successfully amplified, yielding 651 bp fragments. Sequence analysis revealed 11 haplotypes across populations, with haplotype diversity (Hd) ranging from 0.285 in Banyak Island to 0.800 in Aceh Island, and nucleotide diversity (π) between 0.001 and 0.009. Pairwise genetic distances varied from 0.000 to 0.004, with the highest divergence observed between Simeulue Island and Nias Island (0.004), while Aceh Island and Weh Island showed no differentiation. AMOVA indicated that most genetic variation occurred within populations (68.74%), with an overall Fst of 0.315, suggesting low to moderate genetic structuring. The haplotype network demonstrated shared haplotypes among four populations, whereas Simeulue Island harbored unique haplotypes, indicating partial genetic isolation. These results highlight substantial genetic connectivity among O. cyanea populations in northern Sumatra, facilitated by larval dispersal via ocean currents, but also emphasize localized divergence in Simeulue Island. The findings provide critical baseline data for developing ecosystem-based fisheries management, supporting shared stock strategies while accounting for population-specific conservation needs.
Co-Authors Abdullah A. Muhammadar Abdullah A. Muhammadar Adrian Damora Agus Halim, Agus Aidia N Aldila, Dhea Febby Arifsyah M. Nasution Arifsyah M. Nasution Arjayanda, Elsa Cut Yulvizar Cut Yulvizar Darmawi Musni Edi Rudi Edi Rudi Edi Rudi Erima, Derila Essy Harnelly Fachrurozi Amir Fardin Afrido Fardin Afrido, Fardin Firman M. Nur Firman M. Nur Fitriana, Mustika Marzah Habib, Ahasan Hasibuan, Muhammad B.A.F. Ichsan Setiawan Indra Indra Indra Indra Irma Dewiyanti Iwan Hasri Jamhari Jamhari KARTINI ERIANI Khaira, Nanda Ulfa Kocabas, Filiz Kutluyer Maria Ulfah Maria Ulfah Marzuki M Marzuki Marzuki Mohd Nor Siti-Azizah Moula, Intania Muchlisin, ZA Muchlisin, Zainal A Muhammad M Muhammadar, Abdullah Abbas Mursito, Bambang Mustika Marzah Fitriana Mutia Ramadhaniaty Mutia Ramadhaniaty Mutia Ramadhaniaty Nanda Muhammad Razi Nurul Fadhilah Purwoko, Agus Qurrata Akyun, Qurrata Rahayu, Sri Riska Ramadhaniaty, Mutia Razi, Nanda M. Rika Astuti Rika Astuti Rika Astuti Rika Astuti Rika Astuti Rochmi Widayanti Samsul Bahri Sarah, Putri Inten Satria Rizka, Satria Setiawan, Diky Agung Siti Maulida Siti-Azizah, Mohd Nor Sri Jumiati, Sri Sumarni Laila Buang Manalu Tanzil Murda Tanzil Murda, Tanzil Taufiq Ismail Zainal A. Muchlisin Zainal A. Muchlisin Zainal A. Muchlisin Zainal A. Muchlisin Zainal A. Muchlisin ZAINAL ABIDIN MUCHLISIN Zainal Abidin Muchlisin Zainal Abidin Muchlisin Zulkarnain Jalil Zulkarnain Jalil