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Journal : Journal of Fish Health

Characterization and Inventory of Ectoparasites in Cultivated Fish at the Aquaculture Technology Development Center (BPTPB) Cangkringan, Sleman, Special Region of Yogyakarta Safira, Ayu; Rahma, Mahdania Aulia; Salsabila, Sherly Naswa; Rahayu, Subekti; Ambarwati, Dewi; Ulkhaq, Mohammad Faizal
Journal of Fish Health Vol. 6 No. 2 (2026): Journal of Fish Health
Publisher : Study Program of Aquaculture, Department of Fisheries and Marine Science, Faculty of Agriculture, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v6i2.9836

Abstract

Fish farming has increased significantly compared to capture fisheries due to overfishing and the excessive exploitation of wild fish resources. However, the intensification of aquaculture systems is often followed by the emergence of various diseases, including ectoparasite infestations. Ectoparasites are important pathogens that can reduce fish productivity and health status. Their presence may cause clinical symptoms such as wounds and hemorrhages on the skin and gills, respiratory disorders, abnormal swimming behavior, and even mortality in fish. This study aimed to identify and inventory the types of ectoparasites infesting cultured fish at the Center for Aquaculture Technology Development (BPTPB) Cangkringan, Sleman, Special Region of Yogyakarta, and to determine their prevalence and intensity levels. The research applied a descriptive method through field observations and microscopic examinations, with scraping techniques performed on the skin, fins, and gills of fish. A total of 85 fish samples were examined, consisting of tilapia (n=20), carp (n=21), koi (n=24), and catfish (n=20). The results revealed six ectoparasite taxa infecting cultured fish: Trichodina, Gyrodactylus, Dactylogyrus, Ichthyophthirius multifiliis, Myxobolus, and Epistylis. Among these, Trichodina showed the highest prevalence and intensity, reaching 100% prevalence with an intensity of 840.5 parasite individuals per fish. In contrast, the lowest values were recorded for Gyrodactylus, with a prevalence of 4.76% and an intensity of 1 parasite individual per fish. These findings indicate the need for effective fish health management and parasite control strategies to prevent infections that may reduce aquaculture productivity.
Identification and Characterization of Fungi Associated with Shrimp from Whiteleg Shrimp Ponds in East Java Zahroh, Fika; Lifani, Shierly Zaissiliya Clarissa; Rachmadhany, Rentienna; Safira, Ayu; Putri, Rama Nia Julia; Melati, Noerita Widya; Puspitasari, Yunita Ika Putri; Pardede, Maria Agustina
Journal of Fish Health Vol. 6 No. 2 (2026): Journal of Fish Health
Publisher : Study Program of Aquaculture, Department of Fisheries and Marine Science, Faculty of Agriculture, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v6i2.9838

Abstract

Fungal infections in shrimp are one of the main challenges in shrimp farming activities that have the potential to reduce productivity levels and crop quality. Fungi are known as opportunistic microorganisms that can cause serious problems, especially when pond environmental conditions are not supportive. Fungal attacks generally occur when shrimp experience physiological stress due to temperature fluctuations, changes in salinity, decreased water quality, or excessively high stocking densities. This study was conducted to identify and characterize the types of fungi associated with shrimp ponds in three main cultivation areas in East Java, namely Banyuwangi, Jember, and Gresik. The fungal isolation process was carried out using Sabouraud Dextrose Agar (SDA) media and incubated at 27°C. Morphological identification was carried out by observing the characteristics of colonies, the shape and color of hyphae, and the structure of conidia. The results of the observations obtained were 6 fungal isolates divided into two main groups, namely yeast including Candida sp., Rhodotorula sp., and Brettanomyces sp. The most commonly found mold species were Aspergillus flavus, Aspergillus fumigatus, and Aspergillus niger. The results of this study demonstrate the potential of fungal probiotics in shrimp farming ecosystems and serve as a basis for developing disease prevention strategies for whiteleg shrimp in East Java's shrimp ponds.