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  • Cover of Jurnal Bluefin Fisheries, Volume 6 Number 2, December 2024, featuring a blue background, a bluefin tuna illustration, the journal logo, and the identity of Politeknik Kelautan dan Perikanan Bitung.

    December 2024
    Vol. 6 No 2 (2024)

    Jurnal Bluefin Fisheries Volume 6 Number 2 (December 2024) is the second issue published in 2024, featuring five scientific research articles in marine and fisheries sciences.

    The articles cover the design of a cabinet-type sea cucumber dryer, the business feasibility of liquid smoke production from coconut shell pyrolysis, seasonal patterns and potential hairtail fishing grounds in Cilacap waters, gross tonnage measurement and construction materials of payang fishing vessels, and the evaluation of purse seine operations under Indonesia's Measured Fishing Policy.

    This issue was published by the Center for Research and Community Service, Marine and Fisheries Polytechnic of Bitung, Indonesia, and contains five scientific articles spanning pages 1–53.

  • June 2024
    Vol. 6 No 1 (2024)

    Jurnal Bluefin Fisheries Volume 6 Number 1 (June 2024) features five scientific research articles in marine and fisheries sciences.
    The articles cover skipjack tuna population dynamics in Kupang Bay, the application of collision prevention regulations on fishing vessels, occupational safety equipment aboard purse seine fishing vessels, the effect of fishing time on blue swimming crab catches using dome-shaped traps, and the use of sea grape extract to maintain the freshness of mackerel.
    This issue is published by the Center for Research and Community Service, Politeknik Kelautan dan Perikanan Bitung, Indonesia.

  • December 2023
    Vol. 5 No 2 (2023)

    Jurnal Bluefin Fisheries Volume 5 Number 2 (December 2023) features five scientific research articles in marine and fisheries sciences.

    The articles cover the use of purple-spotted bigeye fish bone meal in fish feed formulation, the relationship between chemical and biological water quality parameters in Pulokerto ponds, octopus freezing using the Contact Plate Freezer (CPF) method, tuna fishing using handlines in Teaching Factory activities in the Maluku Sea, and fish catch handling and physical damage to pole-and-line catches aboard KM. Inkamina 523.

    This issue is published by the Center for Research and Community Service, Politeknik Kelautan dan Perikanan Bitung, Indonesia.

  • June 2023
    Vol. 5 No 1 (2023)

    Jurnal Bluefin Fisheries Volume 5 Number 1 (June 2023) presents five scientific articles covering fishery product processing technology, product quality, utilization of fishery waste, and the development of composite materials for fishing vessels.

    The first article discusses quality characteristics, yield, and sanitation in the processing of African catfish (Clarias gariepinus) floss at a micro, small, and medium enterprise in Madiun Regency. The second article examines the quality characteristics of smoked sagela fish chili sauce marketed in Gorontalo City, focusing on microbiological and physicochemical parameters.

    The third article explores the optimization of sensory quality of squid stick products made from Sthenoteuthis oualaniensis by a fishermen's group in Motto Village, Bitung City, to support local economic development. The fourth article describes the utilization of sea urchin shells (Diadema setosum) as raw material for producing alternative flour.

    The fifth article investigates the mechanical properties of epoxy and unsaturated polyester composites as potential coating materials for fishing vessel hulls through tensile and hardness testing.

    These five articles are expected to contribute to the advancement of marine and fisheries science and technology, particularly in fishery product processing, resource utilization, and fishing vessel material technology.

  • December 2022
    Vol. 4 No 2 (2022)

    Jurnal Bluefin Fisheries Volume 4 Number 2 (December 2022) presents five scientific articles covering capture fisheries, coastal environmental management, fishery product processing, monitoring of fishing activities, and the development of marine engineering technology.

    The first article examines the technical and financial aspects of payang fisheries in Ulakan Tapakis District, Padang Pariaman Regency, focusing on fishing operations and the financial feasibility of fisheries investment. The second article identifies the types, composition, and density of marine debris along the coast of Motto Village, North Lembeh District, Bitung City, North Sulawesi.

    The third article discusses the implementation of Sanitation Standard Operating Procedures (SSOP) during the freezing of ball-shaped octopus (Octopus cyaneus) at PT. XYZ, including processing stages and sanitation practices. The fourth article explores the use of the Automatic Identification System (AIS) to track illegal fishing activities and the potential application of Hybrid AIS as an aid to fishing operations.

    The fifth article evaluates the performance of an alternative battery-powered and flywheel-based electrical generator for a 3 GT light fishing vessel under different electrical loads.

    These articles are expected to contribute to the advancement of marine and fisheries science and technology, particularly in improving fishing business efficiency, coastal environmental management, fishery product sanitation, fisheries monitoring, and the development of alternative energy technologies for fishing vessels.

  • June 2022
    Vol. 4 No 1 (2022)

    Jurnal Bluefin Fisheries Volume 4 Number 1 (June 2022) presents five scientific articles addressing fishery product processing technology, quality characteristics of processed fishery products, and the application of renewable energy and digital technology in the marine and fisheries sector.

    The first article examines the processing of smoked fish at Totabuan Papua, a micro, small, and medium enterprise in Jayapura City, focusing on skipjack tuna smoking procedures, organoleptic and sensory quality assessments, processing temperatures, and product yield.

    The second article investigates the chemical and organoleptic characteristics of squid ink seasoning produced using an oven-drying method, including sensory attributes, moisture content, and protein content.

    The third article describes the processing of skipjack tuna (Katsuwonus pelamis) fish meatball tofu at Ariandi, a small enterprise in Masohi City, Central Maluku, covering processing stages, raw material and final product quality assessments, temperature measurements, and yield.

    The fourth article identifies the chemical and sensory characteristics of squid stick (Loligo sp.) products developed by a fishermen's wives group in Motto Village, Bitung City, using proximate analysis and hedonic organoleptic evaluation.

    The fifth article discusses the use of solar panels as an Internet of Things (IoT)-based lighting source for fishing port piers, including remote measurement, monitoring, control, and performance evaluation of renewable energy infrastructure.

    These articles are expected to contribute to the advancement of marine and fisheries science and technology, particularly in improving fishery product quality, developing small-scale fish processing enterprises, and implementing renewable energy technologies in fisheries infrastructure.

  • December 2021
    Vol. 3 No 2 (2021)

    Jurnal Bluefin Fisheries Volume 3 Number 2 (December 2021) presents five scientific articles covering fisheries machinery technology, renewable energy utilization, shipyard technology, fishing gear, and material development for marine components.

    The first article investigates the effects of baffle configurations in a shell-and-tube heat exchanger used to heat B20 biodiesel fuel in support of diesel engine performance.

    The second article discusses the design and optimization of a stand-alone photovoltaic panel system to meet energy requirements for vannamei shrimp cultivation in circular ponds in North Lombok Regency.

    The third article evaluates the technological level of the shipyard at Bitung Marine and Fisheries Polytechnic as a basis for improving its capacity and services for fishing vessel repair.

    The fourth article identifies the species and weight composition of catches obtained using rarape (bottom gillnet) fishing gear operated by fishermen in Kulu Village, Likupang District, North Minahasa Regency.

    The fifth article examines the effects of copper-zinc (Cu-Zn) composition on the hardness and microstructure of aluminum die casting (ADC) 12 as a candidate material for marine propellers.

    These five articles are expected to contribute to advances in marine and fisheries science and technology, particularly in energy systems, fisheries machinery, fishing technology, shipyard development, and engineering materials.

  • June 2021
    Vol. 3 No 1 (2021)

    Jurnal Bluefin Fisheries Volume 3 Number 1 (2021) presents five scientific articles covering fisheries biology, fish processing technology, shelf-life estimation of fishery products, and fishing gear productivity.

    The first article examines the secondary sexual characteristics of tude batu fish (Selar boops) from Bitung waters using morphometric and discriminant analyses to distinguish male and female fish.

    The second article investigates the processing stages and quality characteristics of frozen yellowfin tuna (Thunnus albacares) loins, including cold chain implementation, yield determination, and quality assessment of raw materials and finished products.

    The third article discusses the shelf-life estimation of liquid-smoked tandipang fish in Bitung City, focusing on smoking treatments and product storage stability.

    The fourth article investigates the productivity of modified bottom longline fishing gear, known as Rawai Dasar Layangan (RDL), operated in the waters of the Lembeh Strait, Bitung, North Sulawesi.

    The fifth article describes the diversification of smoked tandipang fish into chili sauce packaged in jars, including product quality and shelf-life evaluation.

    Collectively, these articles contribute to the development of marine and fisheries science and technology, particularly in fisheries resource management, fishing technology, quality improvement, and diversification of processed fishery products.

  • December 2020
    Vol. 2 No 2 (2020)

  • June 2020
    Vol. 2 No 1 (2020)

  • December 2019
    Vol. 1 No 2 (2019)

  • June 2019
    Vol. 1 No 1 (2019)