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Peer-reviewedCC BYBiosaintifika: Journal of Biology & Biology Education

Feeding Preferences of Chanos Chanos Cultivated in Urban Area

  • Nurlita Abdulgani1
  • Dewi Hidayati1
  • Muhammad Zamharir Rojafi1
  • Jessica Oñate Pacalioga2
  • Azizan Akmal Ristiawan1
  1. 1Department of Biology, Faculty of Science and Data Analytics, Sepuluh Nopember Institute of Technology, Surabaya, 60111. Indonesia
  2. 2Natural Sciences Department, College of Arts and Sciences, University of St. La Salle, La Salle Avenue, Bacolod City, 6100, Philippines
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Abstract

The aquaculture area in the Gunung Anyar region, affected by domestic and industrial pollution, presents challenges in sustaining natural food resources for milkfish cultivation. This research aims to evaluate the feeding preferences of milkfish (Chanos chanos) in this urban aquaculture setting, focusing on their dependency on phytoplankton, zooplankton, and other resources. Stomach content analysis was performed using the gastro somatic index, preponderance index, and numerical diet composition index. The data obtained were then analyzed descriptively and quantitatively. Findings indicate a strong preference for phytoplankton (85%), with Chlorophyta as the predominant species (54%). The results highlight the planktivorous feeding habits of milkfish, classified as high-intensity feeders (Gastro Somatic Index: 1.86–2.90). The feeding preference for phytoplankton stems from a lack of zooplankton due to the presence of multiple HAB (Harmful algal blooms) species. These findings underscore the need to manage water quality and natural food availability to sustain milkfish aquaculture productivity in urban areas. This research promotes the United Nations Sustainable Development Goals (SDGs), specifically enhancing SDG 14 (Life Below Water) through the evaluation of estuarine biodiversity, advancing SDG 2 (Zero Hunger) by ensuring urban aquaculture productivity, and supporting SDG 11 (Sustainable Cities and Communities) by developing resilient urban food systems in the face of industrial limitations.

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Cite

BibTeXRIS
BibTeX
@article{abdulgani2026feeding,
  title = {{Feeding Preferences of Chanos Chanos Cultivated in Urban Area}},
  author = {Nurlita Abdulgani and Dewi Hidayati and Muhammad Zamharir Rojafi and Jessica Oñate Pacalioga and Azizan Akmal Ristiawan},
  journal = {Biosaintifika: Journal of Biology \& Biology Education},
  year = {2026},
  month = aug,
  doi = {10.15294/biosaintifika.v18i2.24287},
  url = {https://doi.org/10.15294/biosaintifika.v18i2.24287},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Feeding Preferences of Chanos Chanos Cultivated in Urban Area
AU  - Nurlita Abdulgani
AU  - Dewi Hidayati
AU  - Muhammad Zamharir Rojafi
AU  - Jessica Oñate Pacalioga
AU  - Azizan Akmal Ristiawan
PY  - 2026
DA  - 2026/08/01
JO  - Biosaintifika: Journal of Biology & Biology Education
DO  - 10.15294/biosaintifika.v18i2.24287
UR  - https://doi.org/10.15294/biosaintifika.v18i2.24287
AB  - The aquaculture area in the Gunung Anyar region, affected by domestic and industrial pollution, presents challenges in sustaining natural food resources for milkfish cultivation. This research aims to evaluate the feeding preferences of milkfish (Chanos chanos) in this urban aquaculture setting, focusing on their dependency on phytoplankton, zooplankton, and other resources. Stomach content analysis was performed using the gastro somatic index, preponderance index, and numerical diet composition index. The data obtained were then analyzed descriptively and quantitatively. Findings indicate a strong preference for phytoplankton (85%), with Chlorophyta as the predominant species (54%). The results highlight the planktivorous feeding habits of milkfish, classified as high-intensity feeders (Gastro Somatic Index: 1.86–2.90). The feeding preference for phytoplankton stems from a lack of zooplankton due to the presence of multiple HAB (Harmful algal blooms) species. These findings underscore the need to manage water quality and natural food availability to sustain milkfish aquaculture productivity in urban areas. This research promotes the United Nations Sustainable Development Goals (SDGs), specifically enhancing SDG 14 (Life Below Water) through the evaluation of estuarine biodiversity, advancing SDG 2 (Zero Hunger) by ensuring urban aquaculture productivity, and supporting SDG 11 (Sustainable Cities and Communities) by developing resilient urban food systems in the face of industrial limitations.
SN  - 2085-191X
SN  - 2338-7610
ER  -