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POPULATION ASSESSMENT OF JAVAN BELIDA FISH (Notopterus notopterus) IN RAWA PENING LAKE, CENTRAL JAVA, INDONESIA

BIOTROPIA · Vol. 33 No. 2 (2026) · hlm. 193–205

DOI
10.11598/btb.2026.33.2.2713
ISSN
1907-770X, 0215-6334
Terbit
2026-04-20
Penerbit
SEAMEO BIOTROP
Bahasa
en
Lisensi
creativecommons.org/licenses/by-nc-nd/4.0

Abstrak

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.

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  • Universitas Halu Oleo
  • Politeknik Negeri Bandung
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Rekan penulisOrganisasiArtikel bersama
Siti SaodahPoliteknik Negeri Bandung2
Eltha HidayatullahAfiliasi tidak diketahui2
Suhaimi SuhaimiAfiliasi tidak diketahui2
Suriana Gende EdeUniversitas Halu Oleo1
Asmawati MunirUniversitas Halu Oleo1
Minarti UsmanAfiliasi tidak diketahui1
Yuliati YuliatiAfiliasi tidak diketahui1
Muslihul AfifAfiliasi tidak diketahui1
Shofwatun Ni’mahAfiliasi tidak diketahui1
Khalimatul HidayahAfiliasi tidak diketahui1
Ashadi Amir NurhakimAfiliasi tidak diketahui1
Robby Ikhsan Ar RasyidAfiliasi tidak diketahui1
Agus KristiyantoAfiliasi tidak diketahui1
Furqon HidayatullahAfiliasi tidak diketahui1
B SiswantoAfiliasi tidak diketahui1
Astriana AstrianaAfiliasi tidak diketahui1
sukirno sukirnoAfiliasi tidak diketahui1
Afriana SariAfiliasi tidak diketahui1
Muhammad NatsirAfiliasi tidak diketahui1
T. Rasyidin T. RasyidinAfiliasi tidak diketahui1
Mustakim MustakimAfiliasi tidak diketahui1
Bakhtiar BakhtiarAfiliasi tidak diketahui1
Mohd DinAfiliasi tidak diketahui1
Ilyas YunusAfiliasi tidak diketahui1
Iman JauhariAfiliasi tidak diketahui1
Efendi EfendiUniversitas Halu Oleo1
Nasri NasriAfiliasi tidak diketahui1
Ilyas IsmailAfiliasi tidak diketahui1
Yusrizal HasbiAfiliasi tidak diketahui1
Mirza RahmatillahAfiliasi tidak diketahui1
Asmaul HusnaAfiliasi tidak diketahui1
Helmi ImranAfiliasi tidak diketahui1
Suwardi SuwardiAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) http://journal.biotrop.org/index.php/biotropia/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en">POPULATION ASSESSMENT OF JAVAN BELIDA FISH (Notopterus notopterus) IN RAWA PENING LAKE, CENTRAL JAVA, INDONESIA</dc:title>
	<dc:creator xml:lang="en">waluyo, Waluyo</dc:creator>
	<dc:creator xml:lang="en">Widiarto, Santoso Budi</dc:creator>
	<dc:creator xml:lang="en">Muslim, Anhar</dc:creator>
	<dc:creator xml:lang="en">Dirgantara, Linggar</dc:creator>
	<dc:creator xml:lang="en">Farah Qonitah, Alyaa</dc:creator>
	<dc:creator xml:lang="en">Anjarwati, Ela</dc:creator>
	<dc:creator xml:lang="en">Darmawan, Darmawan</dc:creator>
	<dc:subject xml:lang="en">belida</dc:subject>
	<dc:subject xml:lang="en">conservation</dc:subject>
	<dc:subject xml:lang="en">population</dc:subject>
	<dc:subject xml:lang="en">protection</dc:subject>
	<dc:subject xml:lang="en">threatened</dc:subject>
	<dc:subject xml:lang="en">Conservation</dc:subject>
	<dc:description xml:lang="en">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.</dc:description>
	<dc:publisher xml:lang="en">SEAMEO BIOTROP</dc:publisher>
	<dc:date>2026-04-20</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.biotrop.org/index.php/biotropia/article/view/population-assessment-of-javan-belida-fish-in-rawa-pening-lake</dc:identifier>
	<dc:identifier>10.11598/btb.2026.33.2.2713</dc:identifier>
	<dc:source xml:lang="en">BIOTROPIA; Vol. 33 No. 2 (2026): BIOTROPIA Vol. 33 No. 2 May 2026; 193 - 205</dc:source>
	<dc:source>1907-770X</dc:source>
	<dc:source>0215-6334</dc:source>
	<dc:source>10.11598/btb.2026.33.2.</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://journal.biotrop.org/index.php/biotropia/article/view/population-assessment-of-javan-belida-fish-in-rawa-pening-lake/948</dc:relation>
	<dc:coverage xml:lang="en">Rawa Pening Lake, Central Java, Indonesia</dc:coverage>
	<dc:rights xml:lang="en">Copyright (c) 2026 Waluyo waluyo, Santoso Budi Widiarto, Anhar Muslim, Linggar Dirgantara, Alyaa Farah Qonitah, Ela Anjarwati, Darmawan Darmawan</dc:rights>
	<dc:rights xml:lang="en">http://creativecommons.org/licenses/by-nc-nd/4.0</dc:rights>
</oai_dc:dc>