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Indonesia is a large archipelagic country with significant fisheries potential. However, fish resources in Indonesian waters have shown a declining trend over the past decade. This decline is caused by various factors, including the deterioration of coastal environmental quality due to human activities that pollute the sea, destructive fishing practices, and excessive exploitation or overfishing. This study aims to analyze the utilization rate of bigeye tuna in FMA-NRI 573 landed at PPS Nizam Zachman and to provide recommendations for the utilization efforts of bigeye tuna in FMA-NRI 573 landed at PPS Nizam Zachman. The utilization rate of fish can be calculated by comparing the total catch to the maxmimum sustainable yield (CMSY) using the formula TPc=(Ci/CMSY)×100%TP_c = (C_i / C_{MSY}) \times 100\%TPc=(Ci/CMSY)×100%. The utilization rate obtained, with an average CMSY of 846,325, falls under the category of Lightly Exploited according to FAO and Moderately Exploited based on Ministerial Regulation KP No. 22/2021. This indicates that the utilization is still relatively low or minimal. Therefore, it is necessary to conduct a review of existing fishing regulations in order to maintain the potential sustainability of capture fisheries.

Capture fisheries are an important economic sector in the coastal area of ​​Depok Beach, Yogyakarta Special Region. Fishing activities in this area use various fishing gear, one of which is the bottom gill net. However, the use of this fishing gear can have negative impacts on the aquatic environment and marine ecosystem, such as the decline in the population of white pomfret and ribbonhead fish, which are the main catch. This study aims to analyze the level of environmental friendliness of the use of bottom gill nets in Depok Beach using a descriptive quantitative approach. The methods used in this study include direct surveys of fishermen, observation of fishing operations, and analysis of catch results. Data were collected through a questionnaire containing 9 indicators compiled by the FAO, which cover aspects of gear selectivity, impact on aquatic habitats, fisherman safety, catch quality, and social acceptance of the fishing gear. The results showed that bottom gill nets had the lowest level of selectivity with a score of 1.13, indicating that this tool is less selective in selecting the types of fish caught. However, the indicator regarding consumer safety received the highest score of 4.00. Overall, the test results show that the use of bottom gill nets at Depok Beach has an environmental friendliness score of 27.06, which indicates that this fishing gear is classified as environmentally friendly even though it needs improvement in terms of selectivity.

Capture fisheries are one of the most contributing sectors in producing fishery products.The fourfinger threadfin (Eleutheronema tetradactylum) is one of the key commodities in the capture fisheries sector of Pasuruan City. The catch yield of this species is influenced by the mesh size of the gillnet used. This study aimed to determine the effect of different mesh sizes on the catch yield of fourfinger threadfin and to identify the most effective mesh size. The research was conducted using an experimental fishing method with a Randomized Block Design (RBD) comprising three gillnet mesh size treatments: 1.75 inches, 2.5 inches, and 4 inches, with nine fishing trips. Data on catch weight and number were analyzed using a One-Way ANOVA followed by the Least Significant Difference (LSD) test. The ANOVA results showed an F-value of 10.083 with a significance level of 0.001 (p-value < 0.05), indicating a significant difference in the catch weight of fourfinger threadfin (Eleutheronema tetradactylum) among the mesh size treatments. This finding suggests that mesh size has a significant effect on catch weight, with the 2.5-inch mesh size being the most effective for catching fourfinger threadfin in the Madura Strait, as it produced the optimal catch weight compared to 1.75-inch and 4-inch mesh sizes.

Panggungrejo District in Pasuruan City is a central hub for fishing activities with significant potential for capture fisheries production. One of the fishing gears used by fishermen in this area is the boat dredge, which is classified as an active fishing gear. This study aims to assess the environmental friendliness of the boat dredge used by fishermen in Panggungrejo based on the principles of the Code of Conduct for Responsible Fisheries (CCRF). The research employs a descriptive method, using data collection techniques such as interviews with structured questionnaires, direct observations, document analysis, and literature review. The study involved 32 respondents consisting of fishermen using the boat dredge. Data analysis was performed by assigning scores based on the principles outlined in the CCRF that are related to sustainability and environmental impact of the fishing gear. The results showed that the boat dredge in Panggungrejo scored a total of 855, with an environmental friendliness score of 26.71. Based on this score, the boat dredge falls into category III, considered “environmentally friendly.” However, several indicators related to resource efficiency and the impact on aquatic ecosystems still need improvement to further enhance the environmental friendliness of this fishing gear. This study provides recommendations for the development and improvement of more environmentally friendly fishing techniques and increasing fishermen’s awareness of sustainability in fisheries practices.

Indonesia as an archipelagic country has very high resources in the fisheries and marine sectors, where these resources become weapons in improving the welfare of the people in particular and become capital in national development patterns. However, poverty is still an icon for fishermen. The income of fishing fishermen can be said to be different from other types of business because the fishing business is uncertain, where the income fluctuates and speculates, which can lead to the growth of poverty. The aim to be achieved in this research is to reveal and analyze things that influence the income of capture fisheries fishermen. Meanwhile, the author took the explanatory descriptive method as the research method. Data collection came from 100 fishermen respondents with discussion of fishermen's profiles in the form of age, education, family responsibilities, experience and length of time at sea.

The huge economic potential of the ocean in Indonesia and the importance of maintaining the sustainability of marine resource exploitation to support sustainable economic growth and food security. As one of the potentials in the marine and fisheries sector, the estimated potential of fish resources from marine capture fisheries and aquaculture certainly has the potential to fulfill the food of the Indonesian people with high protein nutritional value. The purpose of this research is to see the potential of the marine sector for food security in Indonesia. This type of research is quantitative descriptive research with time series data from 2017 to 2022 obtained from the Indonesian Central Bureau of Statistics. This research is located in Indonesia. The results showed that the water sector, namely fisheries, has high potential to support food security in Indonesia. In addition to the nutritional content contained in fish that is easily digested by the body, the selling price of fish also varies so that it is affordable at all economic levels of Indonesian households.