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All Journal Acta Aquatica: Aquatic Sciences Journal Arwana: Jurnal Ilmiah Program Studi Perairan Aceh Journal of Animal Science
Erima, Derila
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science Immunology & microbiology Materials Science & Nanotechnology Physics Veterinary Other

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Morphological and morphometric identification of snapper (Family Lutjanidae) that landed in the Pulau Balai Fishing Port, Aceh Singkil Erima, Derila; Bahri, Samsul; Rizal, Muhammad
Arwana: Jurnal Ilmiah Program Studi Perairan Vol 6 No 1: May 2024
Publisher : Program Studi Akuakultur, Fakultas Pertanian, Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/jipsbp.v6i1.2450

Abstract

Pulak Banyak are one of the areas in Indonesia that have potential fishery resources. Accurate range determination and species identification are essential parts of fisheries resource management and must be done. This study aims to obtain information on the various types of snapper landed through morphological and morphometric approaches. The research was conducted in Fishing Port, Pulau Balai village, Pulau Banyak sub-district from September to October 2023. The method used in this research is descriptive analysis to describe fish morphology and measure several morphometric characteristics of fish. There were 12 characters measured using a ruler. The results of the study found ten species of 2 genera part of the family Lutjanidae with 36 individuals landed at the study site, namely Lutjanus synergies, Pristipomoides typus, Lutjanus vitta, Lutjanus madras, Lutjanus argentimaculatus, Lutjanus decussatus, Lutjanus erythropterus, Lutjanus gibbus, Lutjanus malabaricus, and Lutjanus papuensis. All fish species encountered have different morphological and morphometric characteristics, and the bambangan fish (Lutjanus erythropterus) is the fish with the largest morphometric size in the study site.
New Distribution Record and Genetic Relationship of Bottlenose Wedgefish (Rhynchobatus australiae) Found in the Waters of Meulaboh, West Aceh Bahri, Samsul; Arjayanda, Elsa; Fadli, Nur; Ramadhaniaty, Mutia; Razi, Nanda M.; Erima, Derila; Hasibuan, Muhammad B.A.F.
Aceh Journal of Animal Science Vol 10, No 3 (2025): December 2025
Publisher : Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/ajas.10.3.46165

Abstract

Bottlenose Wedgefishes are fish that belong to the subclass Elasmobranchii, which are cartilaginous fish. West Aceh waters are one of the areas directly connected to the Indian Ocean. Bottlenose Wedgefish can be found in the Indian Ocean. Some information on Bottlenose Wedgefish DNA has now developed molecular approaches, which provide a fast and precise alternative to identify species. This research activity aims to report the presence of Bottlenose Wedgefish sharks (Rhynchobatus australiae) and analyze the relationship between Bottlenose Wedgefish sharks found in West Aceh with other regions. This research was conducted from October to December 2021. The specimens were taken from the Ujong Baroh Fish Landing Site (PPI), West Aceh, and analyzed at the Laboratory of Genetics and Aquatic Biodiversity, Faculty of Marine and Fisheries, Syiah Kuala University. The results of the study resulted in several conclusions, namely the Query Cover value of Meulaboh 1 and Meulaboh 2 samples of 93%. The Ident value of 99.70%-99.85% indicates that the same species is R. australiae. Thymine (T) nucleotide composition is 30.8%, Cytosine (C) is 24.9%, Adenine (A) is 27.4%, and Guanine (G) is 16.9%. Based on the results of phylogenetic tree reconstruction, the relationship between Rhynchobatus australiae Meulaboh samples 1 and 2 has a close kinship with Rhynchobatus australiae from India1, India2, India3, Malaysia1, Indonesia3, and Indonesia5. This research confirms the presence of Rhynchobatus australiae in West Aceh and establishes a close genetic link to regional populations.
Genetic variation and population status of sharks: A comparative mtDNA study in the waters of Aceh Jaya and West Aceh Bahri, Samsul; Burhanis, Burhanis; Erima, Derila
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 12: No. 3 (December, 2025)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v12i3.24447

Abstract

Mitochondrial DNA (mtDNA)-based genetic analysis is important for revealing evolutionary relationships, supporting taxonomy, and providing a basis for conservation management. This study was conducted in the waters of Aceh Jaya and West Aceh, two regions with high shark fishing activity but minimal genetic data. A total of 12 shark individuals (6 per location) were collected from fish landing ports, then dorsal muscle tissue was taken, preserved in ethanol, and analyzed using DNA extraction, sequencing, and bioinformatics methods. Molecular identification through comparison with GenBank showed a very high level of similarity (Query Cover 99–100%, Identity 100%), with detected species including Carcharhinus falciformis, Sphyrna lewini, and Hemigaleus microstoma, reflecting a wide distribution in the western waters of Aceh. The nucleotide composition showed a dominance of thymine bases and a higher A+T ratio than G+C, consistent with the characteristics of shark genomes. Phylogenetic analysis showed a monophyletic clade with strong bootstrap support (100%) and placed S. lewini as the earliest differentiated taxon. Our results confirm the efficacy of DNA barcoding for accurate species identification and genetic diversity mapping, while underscoring urgent conservation concerns, as most species identified are classified as Vulnerable to Critically Endangered on the IUCN Red List. Keywords: Aceh; DNA Barcoding; Genetic Variation; Phylogenetics; Sharks
Co-Authors Arjayanda, Elsa Burhanis, Burhanis Hasibuan, Muhammad B.A.F. MUHAMMAD RIZAL Nur Fadli Ramadhaniaty, Mutia Razi, Nanda M. Samsul Bahri