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Shark fisheries in Aceh are not supported by the availability of research-based data and information that needed to support the preservation and development of this resource. The purposes of the study were to assess the biological aspects including shark species identify and their status in IUCN, length distribution, sex ratio, and maturity stage of male shark. This study was conducted from August to October 2017 in the Fishing Port of Kutaraja, Banda Aceh. The observation survey of fish landing sites was conducted to collect the catch species composition, total length of each individual, sex, and maturity stage of male genital of shark (clasper). The results showed there are 17 species of sharks caught by some fishing gears (n = 318). Mean total length, fork length, and standard length are 122.90 cm, 110.77 cm, and 86.50 cm, respectively. The sex ratio of dominated species (Carcharhinus sorrah, Sphyrna lewini, and Alopias pelagicus) showed not significantly difference between males and females, based on Chi-square test. The percentage of male shark maturity for each category (NC, NFC, FC) is 52%, 13%, and 35%, respectively. The percentage of the IUCN status (threatened rare, threatened with extinction, and almost threatened) of collected species are 12%, 29%, and 41%, respectively.

The waters surrounding Siumat Island is a new potential fishing ground in Simeulue Island. However, Information related to fish species in this location is still not widely studied. Therefore, this study aimed to identify fish species caught by fishermen in Siumat Island, Simeulue Timur Sub-District, Aceh Province. The sampling was conducted within 1-20 March 2019. Fish samples were collected from the fish auction location and identified using fish identification books. A total of 243 individuals fish consisting of 54 species and 16 family were identified during the study period. Serranidae was a predominant family with 13 species followed by Lutjanidae and Carangidae with 9 species. From 54 species collected, Turisi Bali (Pristipomoides typus) are the common species found in this location. This research can be used as basic data in making decision for fisheries development in Siumat Island.

This study aims to determine the application of regulations related to work safety equipment and its availability on purse seine vessels in the Ocean Fisheries Port (PPS) of Kutaraja, Banda Aceh, and to find out fishermen's perceptions of the importance of work safety equipment. This research was conducted in July 2018, using the method of direct surveys and interviews concerning existing national regulations. Data were analyzed descriptively and linear regression analysis through SPSS program. The results showed that from all samples of vessels 11 GT-> 61 GT (n = 21) the percentage of the presence or application of safety devices on purse seine vessels was 63%. In the 11 GT - 20 GT category the existence or application of safety equipment is 45% (n = 3), on the 21 GT - 30 GT vessel is 60% (n = 6), on the 30 GT - 50 GT ship is 65% (n = 7), on vessels 51 GT - 60 GT is 57% (n = 3) and on vessels larger than 61 GT is 86% (n = 2). In general, fishermen already understand the importance of work safety equipment, but the availability and number of occupational safety equipment on the ship are inadequate. Safety tools (independent) work influences the perception of fishermen (dependent) of only 1.83%, the rest of 98.17% is influenced by other factors outside the availability of work safety tools.

Bivalves and gastropods nowadays became mainly catches shellfish by coastal community due to their commercial values to the market. Considering the constructions of fishing gears may get a unique behavior of fisherman for gaining more shellfish. However, this research concern about the constructions of fishing gears used and shellfish catches by local fisherman in Bagan Deli marine coastal area. The sampling was took place and date at Medan Belawan's District in North Sumatera, Indonesia during January 2019. In-situ observation was used to identify the type of fishing gears, its constructions and shellfish catches by local fisherman and describing systematically into data tabulation. Some results showed that mostly local fisherman used cage grabber, net claw and local fishing gear instrument namely uncang. Another interesting result is that the different material of its constructions of fishing gears affected to a difference of shellfish catches. These facts concluded that local fisherman had specific skill and deep knowledge to perform its fishing gears as traditional methods of capturing shellfish.