Morphological and Morphometric Characteristics of Crustaceans (Decapoda) in the East Coast of Aceh Province, Indonesia
DOI:
https://doi.org/10.48048/tis.2026.12564Keywords:
Crustacea, Decapods, Lobsters, Morphology crabs, Shrimps, Crustacea, Decapods, Lobsters, Morphology crabs, ShrimpsAbstract
The east coast of Aceh Province, including Pidie, North Aceh, and Aceh Tamiang Regencies, is a producer of Decapod (Crustacea), a marine capture fishery commodity. Decapod fishing activities are suspected to be excessive on the east coast of Aceh Province. Therefore, this study aims to map resources, identify morphology, and morphometrics of Decapods in these waters, as an initial step toward supporting sustainable management. This study was conducted from June to September 2025. Sampling was carried out in the waters of North Aceh Regency (Site 1), Pidie Regency (Site 2), and Aceh Tamiang Regency (Site 3). The collected samples were then taken to the Mathematics and Natural Sciences Laboratory of Almuslim University for further analysis. The analysis carried out included morphological and morphometric identification. There are 8 Decapods species caught in the waters of the east coast of Aceh Province, including Charybdis feriata, Portunus sanguinolentus, Portunus pelagicus, Penaeus monodon, Metapenaeus monoceros, Penaeus merguiensis, Panulirus homarus, and Panulirus ornatus. In the North Aceh Regency, the species caught were Portunus sanguinolentus, Penaeus monodon, Metapenaeus monoceros, and Panulirus ornatus. In the Pidie Regency, the species caught were Portunus sanguinolentus, Charybdis feriata, Penaeus merguiensis, and Panulirus homarus. Furthermore, in the Aceh Tamiang Regency, the species caught were Portunus pelagicus, Penaeus monodon, Metapenaeus monoceros, and Penaeus merguiensis. This study addresses this gap by providing a comprehensive morphometric baseline and taxonomic identification of 8 commercially vital species. The results reveal notable morphological variability in Panulirus homarus and high habitat specificity for Charybdis feriata, highlighting the influence of local ecological conditions on population structure. These findings offer a novel contribution to regional fisheries management, serving as a critical reference for establishing sustainable exploitation limits in the Malacca Strait ecosystem.
HIGHLIGHTS
- Identification of eight commercially vital decapod species across the East Coast of Aceh.
- Species distribution analysis across North Aceh, Pidie, and Aceh Tamiang coastal regions.
- Establishment of comprehensive morphometric data for sustainable Malacca Strait fisheries management.
- Observation of significant morphological variations in Panulirus homarus across different sampling sites.
- Highlighting high habitat specificity for Charybdis feriata influenced by local ecological conditions.
GRAPHICAL ABSTRACT
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