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High feed costs remain a major constraint in Nile tilapia (Oreochromis niloticus) aquaculture, requiring alternative feed formulations based on local ingredients with adequate nutritional quality. This study aimed to evaluate the proximate composition of fish feed formulated from snail meal, Azolla meal, and turmeric as a phytobiotic supplement. The study used an experimental method with a Completely Randomized Design consisting of three treatments and three replications. The feed formulations were P1, consisting of 55% snail meal, 25% Azolla meal, 5% turmeric, 10% corn flour, and 5% tapioca flour; P2, consisting of 39% snail meal, 39% Azolla meal, 7% turmeric, 10% corn flour, and 5% tapioca flour; and P3, consisting of 25% snail meal, 51% Azolla meal, 9% turmeric, 10% corn flour, and 5% tapioca flour. The analyzed parameters included protein, moisture, fat, ash, crude fiber, and carbohydrate contents. Data were analyzed using analysis of variance followed by the Least Significant Difference test. The results showed that feed formulation significantly affected all proximate parameters. P3 produced the highest protein content of 43.87%, fat content of 3.68%, crude fiber of 3.11%, and carbohydrate content of 7.28%, while also producing the lowest ash content of 28.46%. Moisture content ranged from 1.11% to 1.30%, indicating good feed storage stability. These findings demonstrate that the integration of snail meal, Azolla, and turmeric can improve the nutritional quality of alternative Nile tilapia feed and support locally based sustainable aquaculture feed development.

Nile tilapia (Oreochromis niloticus) culture requires an efficient and low-cost feeding strategy that can support fry growth and survival. This study aimed to analyze the effects of three types of natural feed, namely silk worms, earthworms, and snails, on absolute length growth, absolute weight growth, and survival of Nile tilapia fry. The study was conducted at the Aquaculture Laboratory, Faculty of Science and Computer Science, Universitas Muhammadiyah Gorontalo, from January 31 to March 2, 2026. An experimental method was applied using a Completely Randomized Design consisting of three treatments and three replications. A total of 45 Nile tilapia fry were reared in 9 plastic containers filled with 10 L of water, with 5 fish in each container. Growth and survival data were analyzed using ANOVA at the 5% significance level, while water quality was analyzed descriptively. The results showed that the type of natural feed had no significant effect on absolute length growth, absolute weight growth, and survival. Descriptively, silk worms produced the highest length and weight growth, with values of 2.99 cm and 6.37 g, respectively. Snails produced the highest survival rate of 86.66%. Water quality remained stable, with temperature ranging from 26.3 to 26.8°C, pH from 7.6 to 7.9, and dissolved oxygen from 5.2 to 5.6 mg/L. These findings indicate that silk worms are potential natural feed for improving growth, while snails support the survival of Nile tilapia fry.

National milkfish aquaculture production in 2024 reached 792,864 tons, highlighting the strategic role of this commodity in supporting the economy of coastal communities. central java,as one of the main contributors, has significant potential for pond development, including in Ujungwatu Village, Jepara Regency. However, pond management still faces challenges regarding human resource (HR) quality and the optimal utilization of technology. This community service program aims to enhance students’ capacity through outreach and training on Internet of Things (IoT)-based milkfish pond development as an effort to strengthen HR at the Sidomaju 2 SME. Implementation methods include the stages of observation and problem identification, work program planning, WebGIS design, IoT outreach and implementation, and evaluation. The materials covered included an introduction to IoT concepts based on ESP8266, pond monitoring, milkfish feed management, and the implementation of WebGIS as a digital mapping system for the Kalingga milkfish ponds.The activity was attended by 20 students from MA NU Ujungwatu and was conducted in a participatory manner through experiential learning. The results of the activity demonstrated an increase in students’ understanding of the application of technology in milkfish farming, as well as heightened awareness of the importance of efficient and sustainable pond management. The main output of the program is the Kalingga Milkfish Pond WebGIS, which can be utilized as a digital medium for education and monitoring of pond areas. This program contributes to improving students’ technological literacy while supporting the strengthening of pond operational systems based on digital innovation.

This systematic review maps how innovation, technology adoption, and Islamic entrepreneurial behaviors are intertwined and contribute to the SDGs. Searches in Scopus followed PRISMA 2020: of the 166 initial records, 46 were eliminated prior to screening; 120 filtered by title–abstract; 45 read in full; and 25 articles were analyzed in depth. Four RQs lead the synthesis: the form of innovation/adoption (RQ1), impact on behavior and performance (RQ2), and their relationship to the SDGs (RQ3). The findings show five complementary faces of innovation: (1) process-organization (knowledge management, open innovation; innovation capability), (2) sharia business/finance models (sharia venture capital, agricultural value chain finance), (3) financial and platform digitalization (fintech, Islamic crowdfunding), (4) technological innovation in business models (e.g., urban farming–aquaponics) that are value-framed, and (5) halal product/marketing innovation (halal assurance and halal trust). Behind that, the drivers are layered: individual values and psychology, Islamic HRM cultural orientation and organizational learning, Islamic finance architecture and regulation, and access to digital literacy and trust in the platform. The impact is multidimensional performance, access to ethical capital, halal market behavior, and social and religious environmental outcomes with strong contributions to SDG 8 and SDG 9, and footprints on SDGs 1–2, 3, 10, 11, 12, 13, 16, 17. This SLR offers an integrated financial innovation value framework and proposes SDGs micro-indicators; limitations mainly in the variation of measurements and the dominance of cross-section designs.

Community service activities in traditional fish ponds on Tibi Island, Tarakan, aim to increase the productivity of fish and shrimp farming using a simple yet effective approach. The methods applied include manual pond maintenance, such as spreading molasses solution (EM-4) to improve water quality, removing pests such as snails and oysters, and routine net maintenance and water drainage. Feed management is carried out every three days to maintain the nutritional balance of fish and shrimp. Although without the use of sophisticated technology, the success of cultivation depends heavily on the experience and thoroughness of the farmers in managing the pond environment. Overall, this activity demonstrates that a simple and structured approach can support sustainable cultivation, increase productivity, and strengthen collaboration between the implementation team and the pond owners. It is hoped that this method can serve as a useful example for other traditional fish farmers in increasing aquaculture yields and supporting more efficient and environmentally friendly farming practices.

This study aims to analyze inventory control of catfish seeds at ABC Company by comparing the conventional inventory method represented by the Economic Order Quantity (EOQ) approach and the Just In Time (JIT) system in order to improve cost efficiency. This research employed a descriptive quantitative approach using a case study design. Data were collected through direct observation, semi-structured interviews with company management, and documentation of inventory and cost records for the 2024 operational period. The analysis method involved calculating optimal order quantities, ordering frequency, delivery frequency, and total inventory costs using EOQ and JIT formulas, followed by a comparative cost efficiency analysis. The results show that the conventional method resulted in a total inventory cost of Rp 75,050,000 per year with high ordering frequency. In contrast, the implementation of the JIT system reduced inventory costs to Rp 18,762,500 per year, achieving a cost efficiency of 72%. These findings indicate that the JIT system is more cost-efficient than the conventional method; however, its implementation requires careful consideration of supplier capacity, logistics readiness, and biological risks associated with live inventory. This study contributes empirical evidence on the applicability of JIT in the aquaculture sector, which has different characteristics from manufacturing industries.

The KKN Program of Universitas PGRI Adi Buana Surabaya for the 2024–2025 period in Kajeksan Village, Sidoarjo Regency, focuses on the issue of family food security by implementing a mixed farming system based on the use of used goods. This service method uses Participatory Action Research (PAR) through the stages of to know (identifying problems), to understand (socialization of concepts), to plan (design a system from gallons of mineral water), to act (training and assistance in making hydroponics-aquaponic systems, making fish feed from household waste, and natural vitamins), and to change (evaluation and sustainability). As a result, there is an improvement in community skills with the realization of catfish harvest along with optimal kale growth, opening household business opportunities, and creating a sustainable empowerment model through appropriate technology transfer.

Aqua, as a leading bottled mineral water brand in Indonesia, faces challenges in maintaining its market share amid increasing competition and boycott issues. This study aims to analyze the impact of product quality, product pricing, and brand image on purchasing decisions for Aqua in Kendal City. The research employs both quantitative and qualitative methods. Data collection techniques involve distributing questionnaires to 188 respondents and conducting interviews with 10 respondents. The respondents were selected using purposive sampling based on specific criteria, such as having used Aqua and being aware of the boycott issue. The data were analyzed using multiple linear regression to test the influence of each independent variable on the purchasing decision. The results show that product quality, product pricing, and brand image have a positive and significant impact on Aqua's purchasing decisions. Brand image emerged as the most dominant factor influencing purchasing decisions. Additionally, the majority of informants are highly concerned about the boycott issue and disturbed by the Israeli attacks, which has affected their purchasing decisions. This study recommends that Aqua improve product quality, implement competitive pricing strategies, and strengthen its brand image through innovation and marketing campaigns to maintain customer loyalty. Aqua should also promote its neutral stance publicly, clarifying that it is not involved in the Israel-Palestine issue, in order to maintain public trust in the brand.

This study aims to analyse the correlations between parental support, motivation, and self-confidence. The research design used was quantitative research, and the method used was a survey with a Likert scale. The population was all athletes at the Flam Aquatic Kediri swimming club. The sampling technique used was saturated sampling, and this research used 37 athletes as the sample. The instrument was analysed by Pearson's product-moment and Bivariate correlation analysis test. The result shows that F count = 8.621 < F table = 3.28, a significant value of 0.001 < a significant level of 0.05, and the R-squared value was 0.336 which means that there is a significant correlation between the variables of parental support, motivation, and self-confidence of athletes at the Flam Aquatic Kediri swimming club. It correlates with 33.6%. It can be concluded that this research hypothesis, "There is a correlation between parental support, motivation, and self-confidence of athletes at Flam Aquatic Kediri swimming club”, is accepted. The higher the level of parental support and motivation given to the athletes, the higher their confidence in swimming will be.

This study aims to determine the characteristics of somatotype and body composition of swimmers from Flam Aquatics Club in Kediri City. A quantitative descriptive approach was used with a cross-sectional study design. The sample consisted of 10 swimmers aged 9–17 years, selected through purposive sampling. Somatotype was measured using the Heath-Carter method, while body composition was assessed using a Bioelectrical Impedance Analysis (BIA) scale. Data analysis was performed using Microsoft Excel 2012. The results showed that male swimmers were predominantly of the Central somatotype (4 athletes), while female swimmers were evenly distributed between Endomorphic Ectomorph and Ectomorphic Endomorph types (2 athletes each). The average body composition of male swimmers included muscle mass of 34.48 kg, bone mass of 1.88 kg, fat mass of 5.07 kg, and body fat percentage of 10.65%. For female swimmers, the average muscle mass was 27.7 kg, bone mass 1.5 kg, fat mass 5.25 kg, and body fat percentage 15.08%. It can be concluded that male athletes tend to have a Central somatotype, while female athletes are equally divided between two somatotype categories. The highest bone and fat mass in female athletes was found in those with the Ectomorphic Endomorph type.

This study aims to analyze the economic and social impacts within the environmental context on the sustainability of catfish farming in Basanah Village. Environmental issues such as water quality, land availability, and land-use changes have significantly affected aquaculture practices. Moreover, the social dynamics of the surrounding community, including patterns of cooperation, public perception of catfish farming, and economic impacts on farmers’ income and welfare, are central to the investigation. This research employs a descriptive qualitative approach through field observations, in-depth interviews, and documentation involving local farmers, community leaders, and relevant stakeholders. The findings reveal that economic aspects, such as production cost efficiency and income improvement, are highly dependent on stable environmental conditions and strong social support. Conversely, environmental degradation and weak social participation hinder business development. Therefore, participatory-based policies integrating sustainable environmental management with the strengthening of local socioeconomic capacities are urgently needed. This study offers a significant contribution as a foundation for formulating empowerment strategies for environmentally and socially-based small-scale aquaculture enterprises at the village level.

Food security and community economic empowerment are major challenges in many rural areas, including Sukolilo Village. This research aims to develop and analyze the effectiveness of an aquaponic system, a combination of hydroponics and fish farming, as an innovative sustainable solution. The methods used include observation, experimentation, and interviews with the local community. The results showed that the aquaponic system is able to increase agricultural productivity with better water use efficiency and provide economic benefits through crop diversification, namely vegetables and fish. In addition, the system is proven to be environmentally friendly as it utilizes organic waste from fish as plant nutrients, reduces the use of chemical fertilizers, and optimizes local resources. The implementation of the aquaponic system in Sukolilo Village not only improves food security but also opens up new business opportunities for the community, thus contributing to the improvement of local economic welfare. It is hoped that this model can be replicated in other areas as part of a sustainable agriculture-based economic development strategy.

Microplastics pose a significant threat to aquatic ecosystems and human well-being. This study attempts to conduct a community engagement initiative that focuses on the dangers of microplastics, with the aim of raising public awareness and fostering sustainable behavior change in plastic waste management. Microplastic pollution has become a worrying problem because it has the potential to pose risks to food safety and public health. This study aims to conduct a socialization program on the dangers of microplastic exposure to food safety in the Kertosari Village community. Using a participatory approach, this socialization program involves local communities and students. Socialization activities include informative presentations and interactive discussions to raise awareness of the adverse effects of microplastics on food safety. The results of this community engagement are expected to be a valuable guide for authorities and local communities to raise awareness of the dangers of microplastics and encourage sustainable behavior change towards plastic waste management.

Indonesia's 2.5 million hectares of coral reefs include 569 species, or about 67% of the world's 845 coral species. One of the companies engaged in the export business of ornamental corals is PT Agung Aquatic Marine located in Bali province. This study aims to determine the costs, revenues and marketing margins of ornamental coral export business at PT Agung Aquatic Marine, Denpasar Bali. This research uses descriptive quantitative. Data analysis used is income analysis, marketing margin and marketing efficiency. The results showed that the costs incurred amounted to Rp2,472,069,157 so that the revenue earned was Rp822,355,543, There are two types of marketing margins used in the sale of ornamental coral euphyllia type, the first from fishermen to exporters and then to consumers which totaled Rp2,078,202, while the second from suppliers and then to exporters after that to consumers amounting to Rp2,017,637. The efficiency level of Marketing channel I is 13.1% and marketing channel II is 5.7%. So it can be seen that obtaining high margins and profits is Marketing channel I. While the one with the most efficient marketing is Marketing channel I. While the one with the most efficient marketing is Marketing Channel II.

This study aims to explore the role of marine fisheries students in the hotate aquaculture internship program at the Hotate Business Fishery Cooperative Association in Japan. This internship program is designed to provide practical experience and in-depth knowledge of the hotate aquaculture industry, one of the important fisheries sectors in Japan, especially in Hokkaido. Students who participate in this program are directly involved in various aspects of hotate cultivation, including seed selection, environmental maintenance, catching, processing, and distribution. This study uses a qualitative method with in-depth interviews and participatory observation to collect data from participating students, mentors, and program managers. The results of the study showed that participation in the internship program provided significant benefits for students, including improved technical skills, an understanding of best practices in hotate farming, and the ability to adapt to modern technologies and methods in the fishing industry. In addition, the program also strengthens the relationship between educational institutions and industry, as well as opens up career opportunities for students in the global fisheries sector.This study concludes that the internship program at the Hotate Business Fishery Cooperative Association has an important role in developing quality and competitive human resources in the fishing industry, as well as contributing to sustainability and innovation in hotate cultivation in Japan.

Macrozoobenthos is a group of benthic organisms measuring more than 1 mm that plays a crucial role in the process of decomposition and mineralization of organic material in aquatic ecosystems. The purpose of this observation was to determine the ecological index and density of macrozoobenthos in Pengudang and Dompak Waters. This observation was conducted from May 26-27, 2024 in the waters of Pengudang and Dompak using the survey method. Determination of sampling points is done by random sampling of 20 points each line transect. Macrozoobenthos measurements using 1x1m quadrant transect. The results showed that Pengudang waters had a higher species density with an average value of 13 (medium) compared to Dompak with an average of 0.03 (low). The diversity index ranged from 0.36-1.05, with Pengudang showing higher values. The uniformity index in Pengudang was 0.50 (medium), and in Dompak 0.17 (low). The dominance index was higher in Dompak (0.84) than Pengudang (0.40). Water quality parameters showed that temperature, salinity and pH were within safe limits, but TSS values in Dompak exceeded quality standards, indicating higher sedimentation levels.  

Natural resource conservation or conservation areas whose main use is recreation and tourism in coastal and aquatic areas are called Marine Nature Tourism Parks (TWAL). Kupang City and Kupang Regency have a conservation area known as the Kupang Bay Marine Nature Tourism Park. Kupang Bay Marine Natural Tourism Park has a lot of potential that can be managed as a tourism destination. The author is interested in conducting research to find out and formulate a Potential Development Strategy for the Kupang Bay Marine Natural Tourism Park. This research approach is descriptive qualitative, where the data produced is descriptive or explains clearly. Based on the research analysis that has been carried out using SWOT Analysis, it is concluded that the Kupang Bay Marine Nature Tourism Park Development Strategy has a Strength-Opportunity strategy. This strategy is an aggressive strategy where the potential of the Kupang Bay Marine Natural Tourism Park is utilized as widely as possible to create opportunities.

The aquaponic plant empowerment mentoring program at Emerald Garden Housing, Bumiayu, aims to improve community skills and welfare through environmentally friendly cultivation technology. Aquaponics is a system that combines the cultivation of fish (aquaculture) and plants (hydroponics) in a mutually beneficial environment. This activity includes several stages, namely socialization, training, technical assistance and evaluation. The methods used include outreach, direct demonstrations, and field practice involving all residents. The program results show an increase in community knowledge and skills in managing aquaponic systems, as well as a significant increase in plant and fish production. Apart from that, this program also has a positive impact on improving the household economy and local food security. From the evaluation results, it can be seen that there is high enthusiasm from the community to continue developing and utilizing this aquaponic technology. This program has succeeded in creating a sustainable community empowerment model that can be replicated in other areas. The challenges faced include limited land and the need for technical adjustments that require further attention

Abstract The objectives of this study were to identify the social strata/layers of the fish farming community in Samarinda City and to determine the strategy for aquaculture development in Samarinda City. Respondents in this study were selected using purposive sampling with a total of 26 respondents from fish farmers and 5 staff of the Fisheries Service. Data were analyzed using descriptive qualitative and quantitative and SWOT analysis. The results of the study found that there are two social stratifications in the cultivation community in Samarinda City, namely middlemen/collecting traders and owner fish farmers. Positions as middlemen/collecting traders and fish farmers are status roles that are obtained because they are fought for through their own choices or efforts (achieved status). The top social layer is occupied by middlemen or collecting traders by looking at the level of wealth owned (ownership of vehicles, living conditions and ownership of luxury goods). The strategy that can be carried out for the development of aquaculture in Samarinda City is an aggressive strategy, namely optimizing technology and infrastructure to support the marketing of aquaculture products.

The intense competitiveness in the commercial sector drives this research. Plastic trash in the environment is causing an increasing amount of natural damage. Customers are becoming more demanding when it comes to eco-friendly items. As a result, companies need to adopt green marketing as a new marketing tactic. Companies can get a competitive edge through green marketing by fostering greater customer trust. Young buyers favor things that are good for the environment. The purpose of this study is to determine the degree to which the purchasing decisions of the Class of 2020 Sharia Business Management students at the Faculty of Economics and Islamic Business, State Islamic University (UIN) Sjech M. Djamil Djambek Bukittinggi, are influenced by green marketing and brand image. Quantitative descriptive research is used in this study. Both primary and secondary data were used. With a sample size of 64 respondents, the study's population consisted of users of AQUA products. Data were gathered by questionnaire distribution and observation. Research instrument tests, which include validity and reliability testing, as well as traditional assumption tests, which include tests for heteroscedasticity, multicollinearity, autocorrelation, and normality, were employed in data processing procedures. using the aid of the SPSS22 program. Based on the research findings, it can be inferred that while brand image has a value of 0.00 less than 0.05 or (0.00<0.05), it can be concluded that brand image partially influences purchasing decisions. This is because the company is implementing a new marketing strategy, namely green marketing. The partially green marketing variable has a value of 0.002 which is smaller than 0.05 or (0.002 <0.05). Businesses can gain a competitive edge by using green marketing to enhance their positive consumer perception. It is possible to conclude that green marketing and brand image jointly have a large influence on purchase decisions because they both simultaneously have a computed F value > F table, or 249,499 > 3,148.