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All Journal Bawal : Widya Riset Perikanan Tangkap Journal of Aquaculture and Fish Health
Abualreesh, Muyassar Hamid
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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First Report on the Reproductive Biology of Saurida tumbil in Jizan Waters, Saudi Arabia Based on Histological Analysis : Reproductive Biology of Saurida tumbil in Jizan Waters Hartono, Sugeng; Santanumurti, Muhammad Browijoyo; Puspito, Gondo; Salsabila, Sahda; Abualreesh, Muyassar Hamid
Journal of Aquaculture and Fish Health Vol. 14 No. 3 (2025): JAFH Vol. 14 No. 3 September 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i3.76081

Abstract

A scientific study on Saurida tumbil is essential, particularly concerning fishing activities. The current study aimed to investigate the reproductive biology of Saurida tumbil through monthly sampling. Fish were dissected to determine sex and gonadal maturity stages, with gonads furthermore preserved in a 10% formalin solution. Reproductive parameters, including sex ratio, gonad maturity, length at first sexual maturity, gonadosomatic index (GSI), and fecundity, were analysed, followed by length at first capture analysis. Histological techniques were applied to assess gonadal maturity at a microscopic level. The peak reproductive period of Saurida tumbil in Jizan waters was identified between February and April (winter–spring), with the highest GSI values recorded for females (3.6) and males (0.96). Reproductive activity declined between October and December (autumn–winter). The estimated length at first sexual maturity was 23.49 cm for females and 23.94 cm for males. Both values were lower compared to length at first capture (22.75 cm). Absolute fecundity averaged 42528 eggs, ranging from 4485 to 225549 eggs. Identifying optimal fishing areas and seasons simultaneously in Jizan waters is crucial for maximising sustainable fisheries.
INTRODUKSI LAMPU ATRAKTOR CELUP (LAC) PADA OPERASIONAL GOMBANG (TIDAL TRAP) DI PERAIRAN BENGKALIS, PROVINSI RIAU, INDONESIA Kholis, Muhammad Natsir; Puspito, Gondo; Abualreesh, Muyassar Hamid; Hartono, Sugeng
BAWAL Widya Riset Perikanan Tangkap Vol 17, No 3 (2025): Desember 2025
Publisher : Politeknik Kelautan dan Perikanan Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/bawal.17.3.2025.146 - 155

Abstract

Lampu atraktor celup (LAC) dapat meningkatkan efisiensi pengoperasian perangkap pasang surut. Penelitian bertujuan untuk mengevaluasi penerapan LAC dalam pengoperasian perangkap untuk meningkatkan efisiensi tangkapan. Penelitian dilakukan di Perairan Bengkalis, Provinsi Riau, Indonesia, antara bulan Mei dan Oktober 2023. Pendekatan eksperimental diterapkan, dengan membandingkan hasil tangkapan perangkap standar (kontrol) dan perangkap yang dimodifikasi yang dilengkapi dengan LAC (perlakuan). Analisis statistik, uji t berpasangan, digunakan untuk menilai perbedaan berat tangkapan. Hasil penelitian menunjukkan bahwa penerapan LAC menghasilkan tangkapan yang lebih berat sebesar 17.5% dibandingkan alat tangkap tanpa LAC, dengan peningkatan yang signifikan dalam penangkapan spesies pelagis dan demersal (p < 0.05). Penggunaan SAL secara efektif menarik ikan dengan menciptakan agregasi plankton yang disebabkan oleh cahaya secara lokal, sehingga meningkatkan kepadatan ikan di dekat perangkap. Integrasi LAC secara signifikan meningkatkan efisiensi perangkap dan menyajikan metode yang berkelanjutan untuk meningkatkan perikanan skala kecil tanpa meningkatkan upaya penangkapan.
Co-Authors Gondo Puspito Muhammad Natsir Kholis Salsabila, Sahda Santanumurti, Muhammad Browijoyo Sugeng Hartono