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All Journal Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut Panrita Abdi - Jurnal Pengabdian pada Masyarakat AGRIKAN Jurnal Ilmiah Agribisnis dan Perikanan BAWAL Widya Riset Perikanan Tangkap JOURNAL OF INDONESIAN TROPICAL FISHERIES (JOINT-FISH) : Jurnal Akuakultur, Teknologi Dan Manajemen Perikanan Tangkap, Ilmu Kelautan Agrikan: Jurnal Agribisnis Perikanan ABDIMAS KAUNIAH
Muhammad Jamal
Universitas Muslim Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Environmental Science Social Sciences Other

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Journal : Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut

 1 
KARAKTERISTIK BIOLOGIS IKAN TONGKOL (Euthynnus affnis) HASIL TANGKAPAN PURSE SEINE DI PERAIRAN HERLANG TELUK BONE, INDONESIA: Biological Characteristics of Little Tuna (Euthynnus affinis) Purse Seine Catch in Herlang, Gulf of Bone, Indonesia Muhammad Jamal; Ernaningsih Ernaningsih; Nadiarti Nadiarti
Marine Fisheries : Journal of Marine Fisheries Technology and Management Vol. 13 No. 1 (2022): Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut
Publisher : Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jmf.v13i1.37825

Abstract

Purse seine fishing gear is designed to catch both large and small pelagic fish, and commonly used in tuna fisheries. However, this gear is not size-selective, and can pose a threat to fish stocks. The aim of this study was to obtain information on the biological characteristics of little tuna (Euthynnus affinis) caught by purse seiners operating in the waters of Herlang District in Bulukumba Regency, South Sulawesi, Indonesia. Data collected from March to May 2019 included little tuna fork length (FL), weight, sex, and gonad maturity stage (GMS). Fish characteristics analysed in this study were length-weight relationship, size distribution, life phase, and gonadal maturity. Analyses were performed in MS Excel 2010 and Graphpad Prism v.5.03. Male and female little tuna had isometric growth patterns. Modal length class was 24.0-24.4 cm for males and 23.0-23.4 cm for females. All fish caught were below 30 cm TL, while the mean size at first maturity for this species is 39.8 cm. Although the catch was dominated by immature fish (GMS I and GMS II), all GMS stages were present for both sexes, with around a third of females in GMS III-V. Keywords: Scombridae, gonad maturity stage, length-weight relationship, early maturation, fishing pressure.
Co-Authors Ahmad Taufiq Kafi Andi Asni Andi Tamsil Danial Danial Ernaningsih Ernaningsih Ernaningsih Ernaningsih Hamsiah Hamsiah Hasnidar Hasnidar Ihsan Ihsan ihsan Ilmiah Ilmiah Kasmawati Kasmawati Muhammad Asbar Muhammad Saenong Nadiarti Nurdin Nadiarti Nurdin Kadir Rustam, Rustam Sadaria Sadaria Siti Hadijah