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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Jurnal Pasir Laut Management of Aquatic Resources Journal (Maquares) AL KAUNIYAH Jurnal Harpodon Borneo Maspari Journal ECSOFiM (Economic and Social of Fisheries and Marine Journal) Journal of Tropical Biodiversity and Biotechnology JFMR (Journal of Fisheries and Marine Research) Acta Aquatica: Aquatic Sciences Journal Jurnal Laut Khatulistiwa Jurnal Akuatiklestari Jurnal Penelitian Perikanan Indonesia Bawal : Widya Riset Perikanan Tangkap Jurnal Segara Journal of Aquaculture and Fish Health Jurnal Laut Pulau Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Suradi Wijaya Saputra
Progam Studi Manajemen Sumberdaya Perairan, Departemen Sumberdaya Akuatik Fakultas Perikanan Dan Ilmu Kelautan, Universitas Diponegoro
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Physics Social Sciences Other

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ANALYSIS OF FACTORS AFFECTING THE SELLING PRICE OF FROZEN BIG EYE TUNA (TUNNUS OBESUS) AT CILACAP FISHING PORT Shalichaty, Shiffa Febyarandika; Saputra, Suradi Wijaya; Wijayanto, Dian; Surarso, Bayu
Jurnal Segara Vol 20, No 2 (2025): December
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/segara.v20i2.19438

Abstract

Bigeye tuna is one of Indonesia's leading fishery commodities. One of the main locations for the routine landing and handling of this species is the Cilacap Fishing Port. The selling price of bigeye tuna plays a crucial role in the sustainability of fisheries businesses. However, unstable and unpredictable tuna prices make it difficult for some businesses to assess their long-term sustainability. Various factors influence tuna prices, both internal to fishing operations and external economic conditions. This study aims to identify factors that influence the selling price of bigeye tuna at the Cilacap Fishing Port. This study used direct observation, interviews, and a literature review, with data ranging from 2022 to 2024. The analytical approach used was multiple linear regression analysis. The research findings indicate that the selling price of frozen bigeye tuna is influenced by production volume, production value, fishing month, and operational costs. The F-test results indicate that the dollar exchange rate, export volume and value, production volume, production value, fishing month, and operational costs simultaneously influence the selling price of bigeye tuna. These variables influence 80.6% of the selling price of bigeye tuna, while 19.4% is influenced by other factors outside the research.                   
Abundance, Population Structure and Feeding Habits of Ghost Shrimp Karumballichirus karumba, (Poore and Griffin 1979) (De-capoda, Callichiridae), from Intertidal Zone of the Madura Strait, Indonesia Jailani, Abdul Qadir; Saputra, Suradi Wijaya; Sabdaningsih, Aninditia
Journal of Aquaculture and Fish Health Vol. 15 No. 1 (2026): JAFH Vol. 15 No. 1 February 2026
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v15i1.72033

Abstract

Environmental pressures can have a negative impact on fishery resources in the Madura Strait, especially the ghost shrimp K. karumba, which provides ecological benefits. Therefore, this study aims to examine the abundance, population structure, and feeding habits of these species. The study was conducted at two stations, each with three 5 x 5 m transects over one year, measuring carapace length (mm) and weight (g). Additionally, intestinal samples were collected to examine feeding habits. The highest abundance of males and females was in transect 1a and 2b, respectively, with males of 83 ind/5m2, females of 111 ind/5m2, and 91 ind/5m2, 104 ind/5m2. The abundance of ovigerous female/gonad maturity level IV was mostly found in September, November, and December. The minimum carapace length of males ranges from 4.63 mm to 16.9 mm with a body weight between 4.88 g and 11.1 g, while the maximum carapace length ranges from 24.31 mm to 40.9 mm with a body weight between 21.5 g and 44.2 g. Minimum carapace length for females ranges from 7.5 mm to 15.3 mm with a body weight between 5.66 g and 12.4 g, and the maximum carapace length ranges from 21.3 mm to 35.4 mm with a body weight between 16.74 g and 33.9 g. The standard degree of morisita (Ip) states that the distribution of ghost shrimp is classified as a clustered distribution pattern. The primary food source of the ghost shrimp K. karumba is organic matter, and supplementary food is Chlorococcum sp. and Chlorella sp.
Co-Authors - Djuwito A'in, Churun Abdul Ghofar Abdul Ghofar Abdul Ghofar Abdul Kohar Mudzakir Abdul Qadir Jailani, Abdul Qadir Abdullah Habibi Adriyani, Alvita Afina Nursa Dewi, Afina Nursa Agus Hartoko Agustiari, Arinta Maulidina Ahnan, Muhammad Firhan Maftuh aji, muhammad tri aliffyana, firanika Angga Yan Prayudha Anhar Solichin Anhar Solihin Aninditia Sabdaningsih Anthonius Hot Arios Apriyanti, Anisa Dwi Arif Widiyanto Asriningpuri, Degrita Herdianti Astuti, Menur Puji Ayu Dwi Purnamawati, Ayu Dwi Ayu Okta Widjayana, Ayu Okta Ayu Rutiyaningsih Ayuningtyas Indrawati Azizi, Nurul Amin Azzahra, Rizqina Nafa Nur Bambang Sulardiono Bayu Surarso Boedi Hendrarto Bosma, Roel H. Bram Setyadji, Bram Budi Nugraha, Budi Churun Ain Damar Nusawicaksono Kurniawan, Damar Nusawicaksono Diah Ayuningrum, Diah Dian Wijayanto Djuwito Djuwito EDY H.P. MELMAMBESSY Eki Septiana Erika Kurniawati, Erika Faik Kurohman Fajrur Rohman, Fajrur Febyansyah Nur Abdullah, Febyansyah Nur Fitria Sari Fofied, Fernanda Gitarini Frida Purwanti Gabriela Ari Sulistyawati Galuh Kirana Anindhita Griselda, Adinda Putri Khairunnisa Haeruddin Haeruddin Hanggoro, Adnan Lintang Harmasnida Rachma, Harmasnida Herna Octivia Damayanti Hilda Fadhila, Hilda Huda, Anisa Arifatul Ibrahim, Putri Sapira Iin Ika Wahyuni Imam Triarso Imanuel Villian Trayanta Soukotta Iswanto, M. Fajar Fajar Johannes Hutabarat Julianto Subekti Karohmatullah, Achmad Mufidh Kartika Widya Iswara Krisliyana Mia Anggarini, Krisliyana Mia Kukuh Prakoso, Kukuh Kurniawan, Wanwan Lazuardhi, Risqi Lestari Lakhsmi Widowati Mahardhika, Septya Mega Manullang, Panogu Marwulandari, Riyani Monica, Soraya Chandra Muhamad Sutri Wardani Nisya, Choirun Norma Afiati Novi Andriani, Novi Nugraha, Satria Wiratama Nurul Mukhlish Bakhtiar Panjaitan, Theresia Pramesti Budi Widyaningrum Pratik Primas Akbar Pratiwi Genesi Siagian, Pratiwi Genesi Prijadi Soedarsono Pujiono Wahyu Purnomo Putra, Muhammad Ardinan Dwi Putri, Lintang Kinanti Ramadhan, Mochammad Rizqy Restiana Wisnu Ariyati Rian Kisworo Rini, Annisa Sulistya Ririn Vianita Rizky Oktarina Nur Dewanti Rosa Anggraeni, Rosa Sakina, Kurnia Sandro, Yosua Sari, Katrina Dwika Sari, Verina Sarjito - Schrama, Johan Shiffa Febyarandika Shalichaty Siahaan, Debora Ernika Siraj, Ahmad Zhafran Siti Aisyah Siti Rudiyanti Siti Yuliani Rochmatin Skar Puji Astuti, Skar Puji Sri Lestari Sri Rejeki Subijanto Subijanto Suryanti Sutrisno Anggoro Taufani, Wiwiet Teguh Trienes, Yoni Wahyu Kurniawan Wahyu Rizkiyana Wiedha Maharmingnastiti, Wiedha Winda Ari Widyaningtiwi Wiwiet Teguh Taufani Yalindua, Fione Yukita Yulianti, Aida Tri Zuleca, Maulidina Ziva