Article Per Year (5 Year)
p-Index From 2021 - 2026
0.444
P-Index
This Author published in this journals
All Journal Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology BIOTROPIA - The Southeast Asian Journal of Tropical Biology
Muslim, Anhar
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Veterinary

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
SHARK SPECIES COMPOSITION AND DISTRIBUTION OF FISHING GROUND BASED ON FISHING GEAR IN CILACAP OCEAN FISHERY PORT Novianto, Dian; Widiarto, Santoso Budi; Muslim, Anhar; Aji, Miftah Wahyu Purnomo; Prakoso, Kukuh
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 20, No 4 (2024): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.20.4.197-206

Abstract

This study focuses on shark species composition, fishing techniques, and geographical distribution in the South Java Waters of Cilacap Ocean Fishing Port (COFP) during 2023. From the data collected, 18 shark species from 8 families were landed, with Alopias superciliosus as the dominant species (29%), followed by Carcharhinus falciformis (25%), and Alopias pelagicus (18%). Shark fishing was conducted with various gears such as tuna longline, drift longline, longline, drift gillnet, and bottom gillnet, with drift longline being the most effective gear with the largest contribution to the catch. Most of the sharks caught were categorized as endangered (EN) and vulnerable (VU) based on the IUCN conservation list, and listed in Appendix II of CITES. The results show that the geographic distribution of shark fishing grounds covers a wide area from the coast to the Indian Ocean, with high concentrations in the waters around Kebumen to the south of Yogyakarta. Fishing activities often overlap between fishing gears, increasing the risk of overfishing. Length distributions and maturity rates of sharks also indicate that many mating-ready adults are being caught, threatening slow population regeneration. To ensure the sustainability of shark populations and maintain the balance of marine ecosystems, a holistic and data-driven management strategy is needed. This includes strengthening regulations, raising public awareness through conservation education, and developing collaborative approaches involving fishers, government, and conservation organizations. Consistent law enforcement is also key in minimizing violations and ensuring the sustainability of shark fisheries in Indonesia.
POPULATION ASSESSMENT OF JAVAN BELIDA FISH (Notopterus notopterus) IN RAWA PENING LAKE, CENTRAL JAVA, INDONESIA waluyo, Waluyo; Widiarto, Santoso Budi; Muslim, Anhar; Dirgantara, Linggar; Farah Qonitah, Alyaa; Anjarwati, Ela; Darmawan, Darmawan
BIOTROPIA Vol. 33 No. 2 (2026): BIOTROPIA Vol. 33 No. 2 May 2026
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2026.33.2.2713

Abstract

ARTICLE HIGHLIGHT- Belida population in the lake is low and nearing threatened status.- Belida size data show weak population recovery.- Conservation action is needed to protect belida stocks.- Habitat pressure increases belida vulnerability and limits protection.- Findings support stronger conservation for threatened belida.ABSTRACTThe conservation status of belida fish in Indonesia is regulated under the Minister of Maritime Affairs and Fisheries of the Republic of Indonesia Number 1 of 2021 concerning Protected Fish Types, which includes four species: Bornean Belida (Chitala borneensis), Sumatran Belida (Chitala hypselonotus), Lopis Belida (Chitala lopis), and Java belida (Notopterus notopterus). The Javan belida fish (Notopterus notopterus) is currently classified as Least Concern (LC) to facilitate data collection on protected fish species and those listed in the Appendices of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). However, intensive harvesting for human consumption may lead to continued population declines in Java. Therefore, this study aimed to estimate the population size and status of the Javan belida fish, providing a scientific basis for government recommendations, particularly by the Ministry of Maritime Affairs and Fisheries, regarding its conservation status. Field sampling was conducted in situ in Rawa Pening Lake during three sampling periods (January, February, and March 2024) using bamboo blinds, traps, and lift nets. The collected data were analyzed to estimate population abundance, length-weight relationships, length-frequency distribution, sex ratio, gonad maturity stage, and catch per unit of effort. A total of 47 belida fish were caught, all identified as Javan belida (Notopterus notopterus). The estimated population density in Rawa Pening Lake was 32 individuals per 1,400 m2, equivalent to 229 individuals per ha. Based on the International Union for Conservation of Nature's (IUCN) vulnerability criteria, the belida population in Rawa Pening Lake is considered near threatened.
Co-Authors Aji, Miftah Wahyu Purnomo Anjarwati, Ela Darmawan Darmawan Dian Novianto Dirgantara, Linggar Farah Qonitah, Alyaa Kukuh Prakoso, Kukuh Santoso Budi Widiarto Waluyo Waluyo