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This study aims to examine Muslim fishermen's strategies in increasing their income and the constraints they face in Miang Island Village. The research was conducted through a qualitative approach with descriptive method, relying on primary and secondary data obtained through observation, interview, and documentation. The results showed that the fishermen developed various strategies such as selling their catches to collectors, processing fish into high-value products such as shredded fish, and opening fishing guide services. They also utilize local knowledge about potential fishing locations to increase their catch. These strategies help reduce dependence on a single source of income. However, there are several constraints faced, such as bad weather that disrupts fishing activities, limited access to wider markets, lack of capital, and lack of technology. As a result, they are still dependent on local collectors. To overcome these obstacles, fishermen try to cooperate with fellow fishermen, participate in training, and seek alternative income when sea conditions are unfavorable. These findings underscore the need for further support for the economic empowerment of fishermen in remote areas such as Miang Island.

Lake Toba, designated as a National Tourism Strategic Area, faces ecological disruption due to the invasive Red Devil fish (Amphilophus labiatus), which threatens the sustainability of native aquatic species. This study aims to enhance the knowledge of the Tapian Nauli farmer group in Hariara Pohan Village, Samosir Regency, in utilizing the Red Devil fish as Liquid Organic Fertilizer (LOF) and processed food. Methods employed include agricultural extension activities, practical demonstrations, pre-tests and post-tests, and evaluation through questionnaires. Results showed a significant improvement in farmers' knowledge after the extension, with 70% moving from the "poor" to "good" category. The Red Devil fish was successfully processed into LOF through fermentation using molasses, starbio, and pineapple, and into shredded fish (abon) as a food product. Farmers responded positively to the idea of Red Devil abon as a potential household business opportunity, given the fish's abundance and low cost. Evaluation of the extension activities revealed a high level of suitability with an average score of 96.33%, covering material content, delivery methods, and instructional media. This study demonstrates that locally based extension approaches can effectively empower farmers to convert invasive pests into value-added products, while fostering economic opportunities rooted in local resources.

Catfish is a fish that is familiar to the community and has high nutritional value. FPST catfish biofloc pond is a practice area for entrepreneurship learning for students with the harvest directly marketed to catfish collectors. Dpore Meme Micro Business is one of the MSMEs in Situbondo that is engaged in the business of processing fish products into shredded fish and chili sauce. The problem faced by Dpore meme MSMEs currently is the need for diversification of superior products so that it can attract more consumers in the future. With the unprocessed catfish harvest to increase its added value, FPST collaborates with Dpore Meme MSMEs to process it into a product that will later become a new product from Dpore Meme MSMEs. The service method is carried out through counseling and accompanied by the practice of making catfish nuggets, packaging and branding. The results obtained from this service increase the knowledge and skills of processing catfish into catfish nuggets. It is hoped that this service can increase the knowledge and skills of Dpore meme MSMEs in processing catfish as well as becoming a new product for product diversification in its MSME.

Fish floss is a processed fishery product made from fresh fish as raw material in the form of powder or fiber from fish meat. The seasoning given has a brownish color which goes through boiling, steaming, shredding, adding spices and the cooking process. Jackfruit dami contains 1.94% crude fiber. Due to its high fiber content, Dami jackfruit has the potential to be processed into food products and is a good source of fiber in making shredded meat. This research aims to determine the differences in organoleptic hedonic tests and hedonic quality and nutritional value profile of tuna fish floss with the addition of jackfruit dami as an alternative source of protein and fiber. The design used was a completely randomized design with 3 different treatments between tuna (gr) and jackfruit dami (gr) F1 (75:25), F2 (50:50), and F3 (25:75). The results of this study showed that the F2 treatment had a level of preference for color (3.93), taste (3.67), texture (3.63), aroma (3.63), and overall (3.67). Color, texture and overall have significant differences in panelists' preferences, but the aroma and taste aspects are not significant in panelists' preferences. The best treatment, F2, has a water content of 7.08%, protein content of 48.1%, and fiber content of 3.50%.

North Batu Rimpang Hamlet is known as a center for fresh fish trading; however, its utilization as a raw material for processed fish products remains low. This study aims to analyze the use of fish in improving the economy of Small and Medium Enterprises (SMEs) in North Batu Rimpang Hamlet through fish processing training. The method used is descriptive qualitative, including interviews, observations, and documentation involving SME actors. The results show that the training provided on processing fish into two types of products—fish nuggets and shredded fish—successfully increased the knowledge and skills of the SME participants. They reported higher incomes and better market access after attending the training. Moreover, more innovative and competitive processed fish products have begun to enter the market, demonstrating the program's success in supporting the local economy.

This socialisation activity aims to optimise the utilisation in processing fishery products through making shredded tilapia with young jackfruit as an additional ingredient in the Kedungpeluk Village area, which is located in Candi District, Sidoarjo Regency. The method used was observation, interview, preparation of work programme and practice in making shredded tilapia. The activity began with socialisation to the PKK women's group to increase understanding and skills in processing tilapia into shredded fish. The use of young jackfruit is a form of innovation in developing local food potential and is an effort to diversify food which is a diversity of products consumed and improve the value of fibre in processed meat such as shredded which has low fibre. This socialisation activity is expected to be able to provide direction to the Empowerment and Family Welfare (PKK) women's group in Kedungpeluk Village, Candi Subdistrict, Sidoarjo Regency to gain knowledge and skills in processing tilapia and young jackfruit into processed products

Milkfish is one of the potential fishery products in untia village, biringkanaya sub-district. The abundant production of milkfish causes the selling price of fresh milkfish to be cheaper, besides that fresh milkfish is also prone to damage if stored for too long. The lack of understanding and skills of the local community in processing milkfish is the main obstacle faced by the community. The purpose of this service is training on diversification of milkfish preparations to improve the productive economy of the community in untia village, biringkanaya sub-district. The method of implementing community service activities is through counseling and training. This counseling is a way to convey knowledge to housewives about the benefits, nutritional content and potential of milkfish. Training with the practice of making shredded milkfish, The results of community service activities are the growth of an entrepreneurial spirit for local housewives and training community creativity in giving innovation by producing new products that have economic value.

The economic conditions in Tambu village cannot be separated from the potential for natural resources that can support the process of improving people's welfare, this can be seen from the area of sea waters in Tambu village. This is what supports the people of Tambu village to make a living as fishermen. The abundant potential is in the form of marine products, namely Katombo fish, the people of Tambu village generally work as fishermen, they get their catch and then sell it directly to the community or to the market without processing the catch they get, lack of public knowledge in innovating the catch they get . Therefore, it is important to increase empowerment to increase the potential and abilities possessed by individuals or communities by producing home-based business products from existing potential, namely processing shredded katombo fish as an effort to utilize fish catches into products that have economic value. So that Tambu Village is an example for other villages in Central Sulawesi, especially Donggala Regency.

Fish is known as a functional food which is important for health. Fish has a fairly high protein content, besides that it contains OMEGA-3 unsaturated fatty acids (in which it contains EPA and DHA) which are quite popular for maintaining and lowering cholesterol, containing vitamins and minerals. Fish meatballs, Shredded Fish, Naga Legs and Nugget are diversified processed fish products. This dedication aims   to increase the knowledge and skills of the community in processing fish into fish meatballs, shredded fish, dragon feet and nuggets. The method used in  dedication is direct counseling and training. The results obtained from this dedication showed that increase knowledge and skills of PKK mothers in diversification process fish product.