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All Journal Juvenil: Jurnal Ilmiah Kelautan dan Perikanan Journal of Rural and Urban Community Empowerment Jurnal Perikanan dan Kelautan
Eka Saputra
Department of Marine Science, Postgraduate, Universitas Riau
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Energy Environmental Science Materials Science & Nanotechnology Physics

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Microplastic Content in the Stomach of Caru Fish (Megalaspis cordyla) in the Sea Waters of Dumai City, Riau Province Eka Saputra; Syafruddin Nasution; Dessy Yoswaty
Jurnal Perikanan dan Kelautan Vol. 29 No. 3 (2024): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.3.361-366

Abstract

Microplastics are particles that have a size of <5 mm and their existence might be able to contaminate the biota in the aquatic environment, such as care fish. Caru fish was collected in the Dumai city fish landing base in September - December 2022 to determine the abundance of microplastics in caru fish. The method used in this study is a survey method; samples of caru fish were obtained from Fish Landing Base (PPI) Dumai, and the samples were analyzed for the microplastic content in the laboratory. The samples used were 90 caru fish divided into three size classes. The parameters measured included type of microplastic, microplastic abundance, microplastic colour and the relationship between care fish size and microplastic abundance. The abundance of microplastics from the three size class of fish shows that the size class 22.1-24 cm had a higher average abundance of microplastics with an average value of 5.7 particles/individual. The type of microplastics found in this study were fibre, film and fragment. The relationship between the length of the caru fish and the abundance of microplastics has not been influenced by the size of the carp fish.
Sosialisasi Stunting melalui Program Kerja KKN STPKM di Desa Lubuk Tukko Baru, Tapanuli Tengah Harahap, Mutiara Alkayakni; Harjuni, Fiki; Tambunan, Fitri Rahmayani; Khobir, Muhamad Latiful; Harahap, Husnul Yaqin; Adiprayoga, Shofian Nanda; Siburian, Juliana Pebrina; Anugerah, Tirta; Fazri, Kurniawan; Saputra, Eka; B, Arief Rachman.
Journal of Rural and Urban Community Empowerment Vol. 6 No. 2 (2025): April
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jruce.6.2.127-130

Abstract

Stunting adalah sebuah kondisi gagal tumbuh kembang pada anak balita dibawah usia lima tahun dikarenakan asupan gizi yang kurang baik sehingga menyebabkan tinggi badan pada ukuran balita tersebut terlalu pendek untuk usiannya. Keikutsertaan mahasiswa dalam upaya percepatan pencegahan dan penanggulangan stunting dengan melakukan sosialisasi terhadap masyarakat merupakan hal sesuatu hal yang sangat penting. Pengetahuan dengan cara bersosialisasi akan berpengaruh dalam waktu jangka panjang. Kegiatan ini bertujuan sebagai edukasi terhadap masyarakat betapa pentingnya pencegahan stunting. Metode yang diguakan dalam penelitian ini yaitu tahap perencanaan meliputi studi pendahuluan dan perizinan. Tahap pelaksanaan meliputi sosialisasi kepada masyarakat. Hasil dari kegiatan adalah bertambahnya pengetahuan masyarakat akan bahaya stunting. Setelah dilakukan sosialisasi stunting, masyarakat antusias dalam materi yang disampaikan dibuktikan dengan hasil kuisioner masyarakat dari Kelurahan Lubuk Tukko Baru.
Komposisi Pakan Ikan Caru (Megalaspis cordyla) Berdasarkan Analisis Isi Lambung Di Perairan Laut Kota Dumai, Provinsi Riau Saputra, Eka; Harahap, Mutiara Alkayakni; Harjuni, Fiki; Tambunan, Fitri Rahmayani
Juvenil Vol 7, No 1: Februari 2026
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v7i1.32491

Abstract

ABSTRAKIkan caru (M. cordyla) merupakan salah satu spesies ikan pelagis yang memiliki nilai ekologis dan ekonomis penting di wilayah perikanan Kota Dumai. Namun, informasi ilmiah mengenai komposisi pakan dan pola makan spesies ini di perairan Dumai masih terbatas, sehingga diperlukan penelitian sebagai dasar pengelolaan perikanan yang berkelanjutan. Penelitian ini bertujuan untuk menganalisis komposisi makanan dan kebiasaan makan ikan caru berdasarkan isi lambung. Sebanyak 90 sampel ikan dianalisis menggunakan metode indeks preponderansi (IP) untuk menentukan jenis dan persentase pakan utamanya. Analisis deskriptif digunakan untuk menguraikan persentase volume dan frekuensi makanan. Hasil penelitian menunjukkan bahwa makanan utama ikan caru adalah ikan senangin (E. tetradactylum) dengan nilai IP 52-80% pada seluruh kelas ukuran. Makanan pelengkap terdiri atas kerang darah (A. granosa), udang putih (P. merguiensis), dan detritus dengan nilai IP berkisar antara 1–26%. Temuan ini menegaskan bahwa ikan caru memiliki sifat karnivora dan berperan sebagai predator tingkat menengah dalam rantai makanan pesisir. Hasil penelitian diharapkan menjadi dasar pengelolaan sumber daya ikan caru secara berkelanjutan di Perairan Kota Dumai serta berkontribusi dalam perumusan kebijakan dan strategi pengelolaan perikanan berbasis ekosistem.Kata kunci: Dumai, kebiasaan makan, isi lambung, ikan CaruABSTRACTTorpedo scad (Megalaspis cordyla) is one of the pelagic fish species with significant ecological and economic importance in the fisheries of Dumai City waters. However, scientific information regarding its diet composition and feeding habits in Dumai waters remains limited, necessitating research as a foundation for sustainable fisheries management. This study aimed to analyze the diet composition and feeding habits of torpedo scad based on stomach content analysis. A total of 90 fish samples were examined using the Index of Preponderance (IP) method to determine the main food items and their percentages. Descriptive analysis was applied to describe the volumetric percentage and frequency of occurrence of food items. The results showed that the primary diet of torpedo scad was fourfinger threadfin (Eleutheronema tetradactylum), with IP values exceeding 52–80% across all size classes. Supplementary food items included blood cockle (Anadara granosa), white shrimp (Penaeus merguiensis), and detritus, with IP values ranging from 1–26%. These findings indicate that torpedo scad exhibits carnivorous feeding behavior and functions as a mid-level predator in the coastal food web. The results are expected to serve as a scientific basis for sustainable management of torpedo scad resources in Dumai waters and to contribute to ecosystem-based fisheries management policies and strategies.Keyword: Dumai, feeding habits, stomach content, torpedo scad
Co-Authors Arief Rachman. B Dessy Yoswaty Fiki Harjuni Fitri Rahmayani Tambunan Husnul Yaqin Harahap, Husnul Yaqin Kurniawan Fazri Muhamad Latiful Khobir Mutiara Alkayakni Harahap Shofian Nanda Adiprayoga Siburian, Juliana Pebrina Syafruddin Nasution Tirta Anugerah