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All Journal Journal of Marine Resources and Coastal Management
Samudra, Muhammad Farhan Satya Bintang
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

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Potential utilization of fish waste as the glue from Kawakawa (Euthynnus affinis) scales, skin, and bones Christiananda; Ardiansyah, Mohammad Bagus Rizan; Samudra, Muhammad Farhan Satya Bintang; Ramadhanu, Rizky Akbar
Journal of Marine Resources and Coastal Management Vol. 5 No. 1 (2024)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v5i1.2093

Abstract

Waste from fish scales, skin and bones in the fishing industry are currently only used as fish meal or handicrafts. Fish waste is very abundant, especially in fish that are widely consumed by the public, such as little tuna or Kawakawa (Euthynnus affinis). Therefore, innovations are needed in processing fish scales, skin and bones waste, namely as ingredients in making fish glue. Fish glue is an adhesive resulting from the extraction of fish scales, skin and bones which contains collagen, which can be hydrolyzed in hot water and dilute acid to form fish glue. The aim of this research is to determine the effect of using fish skin, scales and bone waste materials on the results of glue products. The research method is by extracting bones, scales, and skin of Kawakawa using 5% CH3COOH solution in a ratio of 1: 1, then filtered to obtain fish glue. This study used two treatments: the use of raw materials of bones, scales, and fish skin (Sample-1) and fish skin and scales only (Sample-2). The results of research showed that Sample-2 showed a higher total rendement or yield than Sample-1. In addition, Sample-2 has a more intense color than Sample-1. It is necessary to demineralize the raw materials (fish waste) to increase the results of collagen extraction.
Environmental friendliness of traditional fishing gear in the northern coastal waters of East Java, Indonesia Rahmany, Cindy Ananda; Samudra, Muhammad Farhan Satya Bintang; Wijaya, Amelia Rachma; Ramadhan, Yusril Ilhami; Perdanawati, Rizqi Abdi
Journal of Marine Resources and Coastal Management Vol. 6 No. 1 (2025)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v6i1.2272

Abstract

The northern waters of East Java are classified as semi-enclosed marine areas, characterized by relatively mild wave activity and shallow depths. Seasonal monsoon winds significantly influence ocean currents in this region, creating favorable conditions for the exploitation of coastal and marine resources. Communities living in these coastal areas exhibit a high socio-economic dependency on marine ecosystems. This study aims to assess the types of fishing gear used by communities along the northern coast of East Java, focusing on gear design, construction materials, catch composition, and environmental sustainability. The findings reveal that fishermen in Surabaya City and Sidoarjo Regency primarily utilize traditional fishing gear such as nets, traps, rods, and region-specific tools locally known as serok, sonder, cager, nyatak, pancalan, and garit. An environmental friendliness assessment based on FAO (1995) criteria yielded high scores: gillnets (28.21), waring nets (31.25), garit (31.74), and traps/bubu (33.26). These results place all gear types within the "very environmentally friendly" category (score range: 26–36), indicating the ecological sustainability of traditional fishing practices in the region. This study highlights the importance of supporting traditional fishing gear to promote sustainable fisheries and preserve marine ecosystems in East Java.
Co-Authors Ardiansyah, Mohammad Bagus Rizan Christiananda Perdanawati, Rizqi Abdi Rahmany, Cindy Ananda Ramadhan, Yusril Ilhami Ramadhanu, Rizky Akbar Wijaya, Amelia Rachma