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Journal of Aquaculture and Fish Health
Published by Universitas Airlangga
ISSN : 23017309     EISSN : 25280864     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
The Journal of Aquaculture And Fish Health (JAFH) has an objective to publish and provide high-quality scientific contributions to the field of fisheries. These contributions came from innovative researches that encourage science and technology development in the field of fisheries and marine science on a national and international scale. This journal serves as a communication medium for researchers, academics, students, and communities.
Arjuna Subject : -
Articles 331 Documents
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Molecular and Morphological Characteristics of Redigobius tambu-jon Collected from Tuweley River, Tolitoli, Central Sulawesi, Indonesia Laheng, Suardi; Putri, Dwi Utami; Putri, Ika Wahyuni; Aliyas; Paisal, Moh.
Journal of Aquaculture and Fish Health Vol. 14 No. 2 (2025): JAFH Vol. 14 No. 2 June 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i2.67743

Abstract

The Tuweley River is an aquatic ecosystem rich in biodiversity. One of the fish species found in this river is Redigobius. Studies on this species' molecular and morphological aspects are very important to support conservation efforts and management of local aquatic resources. This research was conducted from September 2022 to March 2023. The specimen collection is in the Tuweley River, Tolitoli Regency, Central Sulawesi Province, Indonesia. Morphological character measurements were carried out at the Integrated Laboratory of Universitas Madako Tolitoli, while DNA (Deoxyribonucleic Acid) analysis was carried out at the Bionesia Laboratory, Bali. This study employs a quantitative descriptive approach to analyze the data. The data examined include morphological and molecular characteristics (qualitative) and quantitative data consisting of morphometric, meristic characters, and DNA analysis of R. tambujon. These data were tabulated in table form and analyzed descriptively to obtain a comprehensive overview of the species' characteristics. The study results showed that the fish collected in the Tuweley River were the R. tambujon species, based on DNA analysis and morphological character measurements.
Increased THC, DHC, PA and Survival of White Shrimp (Litopenaeus vannamei) by Feeding Porphyridium cruentum Nanoparticle Saniya Lailatul Qodriyah; Satyantini, Woro Hastuti; Nova Erika; Laksmi Sulmartiwi
Journal of Aquaculture and Fish Health Vol. 14 No. 2 (2025): JAFH Vol. 14 No. 2 June 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i2.67769

Abstract

A common disease in white shrimp is vibriosis which can cause acute hepatopancreatic necrosis or Acute Hepatopancreatic Necrosis Disease (AHPND). Immunostimulants are one of the alternatives to defend against pathogen infection. Porphyridium cruentum is a natural substance that can be used as an immunostimulant. The development of nanotechnology is progressing rapidly today due to its important role in various fields. The use of P. cruentum nanoparticles enhances the absorption and efficiency of feed, making their application more effective. The purpose of this study is to determine the effect of the addition of P.cruentum nanoparticles in feed on the enhancement of the immune response of white shrimp after administration for one month of rearing.  Shrimp were divided into four groups, one group was not fed with P.cruentum nanoparticles (K), three other groups were fed with P.cruentum nanoparticles 0.8; 1.0; 1.2% per kg of feed respectively. The results showed that the treatment with the addition of P.cruentum nanoparticles provided an increase in Total Hemocytes Count (THC), Differential Hemocyte Cells (DHC), and phagocytic activity (PA) after administration for one month of rearing and at the end of rearing provided a higher survival rate than the control.
Physicochemical and Functional Properties of Nano-Chitosan Derived from Green Mussel (Perna viridis) Shells Firmani, Ummul; Safitri, Nur Maulida; Rahim, Andi Rahmad
Journal of Aquaculture and Fish Health Vol. 14 No. 2 (2025): JAFH Vol. 14 No. 2 June 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i2.68319

Abstract

Increasing stocking density in catfish cultivation is part of efforts to increase production to meet catfish needs nationally and internationally. The obstacles faced by household Green mussels (Perna viridis) are a major fishery commodity in Indonesia, producing substantial shell waste. Green mussel shell waste can be used as shrimp feed because of its high calcium content. Nano-chitosan, derived from chitin extracted from green mussel shells, offers enhanced bioavailability and functional properties, making it a promising additive for feed applications. Nano chitosan has the advantage of being biocompatible, biodegradable, and non-toxic. The goal of this study is to create a nano chitosan extract from green mussel shells. Green mussel shells are extracted during the stages of deproteination, demineralization, and deacetylation. The obtained chitosan extract is then combined with Sodium Tripolyphosphate (NaTTP) to yield nano chitosan particles. The nano chitosan particles were then measured and analyzed for the compounds they contained. The extracted chitosan appeared white, with a yield of 71%, which aligns with previous studies on shell-derived chitosan. FTIR analysis confirmed the presence of characteristic chitosan functional groups, including C=O and O-H, at 343 nm. This study successfully synthesized nano-chitosan from green mussel shells that have biocompatibility and high calcium content.
Disease Dynamics in Hard Corals: Transmission Study of Desulfovib-rio salexigens and Acinetobacter sp Rahmi; Jompa, Jamaluddin; Khairun Nisaa; Akmal
Journal of Aquaculture and Fish Health Vol. 14 No. 2 (2025): JAFH Vol. 14 No. 2 June 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i2.68325

Abstract

The objective of this study was to analyze the dynamics of spread and tissue damage due to infection with Black Band Disease (BBD) on Pachyseris sp. and Brown Disease (BrB) on Acropora sp. Additionally, the effect of ambient temperature on transmission rates was investigated. The results demonstrated that BBD on Pachyseris sp. caused progressive tissue damage, characterized by zones of necrosis and distinctive black bands separating healthy tissue from dead tissue. At 31°C, the disease transmission rate increased twofold compared to 29°C, with an infection rate reaching 1.72 ± 0.76 cm/day. BrB on Acropora sp. showed the highest infection rate reaching 2.20 ± 0.41 cm/day at 29°C with a bacterial concentration of 106 CFU/ml. However, the infection rate decreased significantly at 31°C for all bacterial concentrations tested. The disease propagated linearly along the coral branches, manifesting as yellowish-brown discolouration attributable to symbiont ciliate activity. The virulence of pathogens such as Acinetobacter sp. increased at 31°C, accelerating the spread of necrosis through the production of toxins and enzymes that damage the coral epithelium. BrB symptoms appeared within 2 days at 29°C and only 1 day at 31°C. This study confirms that high temperature and sedimentation play a key role in accelerating disease dynamics in corals. Increasing seawater temperatures due to global climate change create ideal conditions for the spread of disease, threatening the sustainability of coral reef ecosystems. To mitigate these challenges, a multifaceted approach involving environmental management, carbon emission reduction, and the development of biotechnology to enhance coral resistance to pathogens is essential.
Adaptability of Nile Tilapia (Oreochromis niloticus) in Biofloc Systems: Effects on Growth, Feed Efficiency, Water Quality, and Economic Viability Farhana Islam, Shawon; MD. Najmul, Islam; Islam, Ferdous; MD. Hosne, Azam
Journal of Aquaculture and Fish Health Vol. 14 No. 2 (2025): JAFH Vol. 14 No. 2 June 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i2.68674

Abstract

Biofloc Technology (BFT) has emerged as a sustainable and cost-effective solution for aquaculture, addressing critical challenges such as water conservation, feed efficiency, and environmental impact. This study investigates the adaptability of Nile tilapia at different life stages to BFT systems, focusing on growth performance, survival rates, feed conversion ratios (FCR), and economic viability. Three treatments were evaluated: 20-day-old tilapia fry (T1), 35-day-old juvenile tilapia (T2), and 50-day-old adult tilapia (T3), each with three replications. Over a 14-week rearing period, weekly sampling revealed significant differences (p<0.05) in growth and survival rates. Juvenile tilapia (T2) demonstrated superior adaptability, achieving the highest final weight gain (292.33 ± 5.54 g), survival rate (98.67 ± 0.58%), and economic return, with the best benefit-cost ratio (BCR: 1.426) and lowest FCR (0.647 ± 0.028). These findings highlight the potential of BFT to enhance sustainable aquaculture practices by improving feed efficiency, reducing operational costs, and increasing profitability for farmers. This study underscores the commercial viability of using juvenile tilapia in BFT systems, offering a scalable and environmentally friendly approach to meet the growing demand for aquaculture production.
The comparison of Phytochemical Composition, Total Polysaccharides, and Highest Nutrient Content in Seaweed (Ulva lactuca) from Two Different Locations Lailaturramadhini, Nova; Yuniarti, Ating; Maimunah, Yunita; Eka Supriatin, Febriyani; Suryanto, Damang; Ridwanudin, Asep
Journal of Aquaculture and Fish Health Vol. 14 No. 2 (2025): JAFH Vol. 14 No. 2 June 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i2.70265

Abstract

Ulva lactuca is a source of structurally diverse and highly valuable bioactive compounds. Its chemical composition includes carbohydrates (up to 60%), proteins (10% - 47%), lipids (1% - 3%), and bioactive compounds such as polyphenols, which exhibit antibacterial, antiviral, antioxidant, and immunomodulatory properties. Ulvan, a heteropolysaccharide present in its cell walls, is known for its antiviral, antioxidant, and antimicrobial properties.  This study aims to identify the potential of Ulva lactuca as a source of nutrition and health benefits. The research is descriptive-exploratory, aiming to analyze the phytochemical composition and total polysaccharides in Ulva lactuca from Ujung Genteng Beach, Sukabumi, West Java, and Lombok Beach, West Nusa Tenggara. The results indicate that the highest flavonoid content was found in the Ulva lactuca extract from Sukabumi, measuring 3.95 mg/L, compared to 3.686 mg/L in Ulva lactuca from Lombok. The alkaloid content in Ulva lactuca from Lombok was 26.53 mg/L, while in Ulva lactuca from Sukabumi, it was 24.78 mg/L. The highest tannin content was found in Ulva lactuca from Lombok at 9.87 mg/L, compared to 3.53 mg/L in Ulva lactuca from Sukabumi. The polysaccharide content in Ulva lactuca from Sukabumi was 50.83 mg/L, whereas it was 38.165 mg/L in Ulva lactuca from Lombok. Proximate analysis showed that Ulva lactuca from Lombok had a higher protein content (20.44%) compared to that from Sukabumi (15.47%).
Pathology of Silver Rasbora (Rasbora argyrotaenia) after Experi-mentally Infection with Edwardsiella tarda : Edwardsiellosis in Silver Rasbora Nindi, Inda Arsyi; Febrina, Melinda; Rahmawati, Anggi Rusita; Ulkhaq, Mohammad Faizal; Tjahjaningsih, Wahju; Kusdarwati, Rahayu; Pardede, Maria Agustina; Kumalasari, Ditta Putri; Loh, Jiun-Yan
Journal of Aquaculture and Fish Health Vol. 14 No. 2 (2025): JAFH Vol. 14 No. 2 June 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i2.70433

Abstract

The high demand for silver rasbora (Rasbora argyrotaenia) from the wild had led to declining resources, making fish cultivation necessary. One of the challenges in fish farming is diseases caused by bacteria, such as Edwardsiella tarda, which can lead to Edwardsiellosis and result in mass mortality among fish. This study aimed to analyze the pathology of silver rasbora after experimental infection with E. tarda. Four hundred silver rasbora (5.4±7 cm and 0.47±2.63 g) were reared in twenty aquariums. The treatments consisted of four groups with five replicates, including immersion in E. tarda 1011 CFU/ml (P1), 1012 CFU/ml (P2), 1013 CFU/ml (P3), and a negative control (without E. tarda) (P0) for a 14-days rearing period. Parameters observed included survival rate, stress responses (plasma cortisol, blood glucose, and ventilation rate); hematology profile (total erythrocytes, total leukocytes, differential leukocytes, and hemoglobin levels), histopathological alterations in organs, survival rate, and clinical symptoms. The results showed that immersion in E. tarda did not affect fish mortality. However, other parameters, including hematological profile, stress responses, and histopathological alterations, showed increased values and several pathological changes, yet remained within normal limits.
Ectoparasite infection of two commercially important fish species in the Negombo Estuary, Sri Lanka: Flathead grey mullet (Mugil cephalus) and Green chromide (Etroplus suratensis) Epa, Udaya Priyantha Kankanamge; Dayananda, M.G.G.P.
Journal of Aquaculture and Fish Health Vol. 14 No. 3 (2025): JAFH Vol. 14 No. 3 September 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i3.49468

Abstract

This study aimed to assess the prevalence, diversity, and intensity of external parasitic infections in Mugil cephalus and Etroplus suratensis from the Negombo estuary, Sri Lanka, and to evaluate their potential impact on fish health and condition factors. External parasites were identified in 210 M. Cephalus and E. Suratensis collected from the Negombo estuary in Sri Lanka. Both fish species had high disease prevalence, with M. Cephalus infected at 86% and E. Suratensis infected at 78%, respectively. Fish parasites belonging to Phylum Apicomplexa, Phylum Protozoa, Phylum Nematoda, Sub Phylum Crustacea (copepods and isopods), and Class Trematoda (monogeneans) were found in both fish species. The mean parasitic intensity was significantly higher in E. Suratensis than in M. Cephalus. Caligus curtus, C. Robustus, Dactylogyrus spp., Ergasilus boleophthalmi, E. Parvitergrum, and Cryptocaryon sp. They were recorded at a higher intensity in both fish species. According to the Shannon-Weiner diversity index, M. Cephalus had a higher parasite diversity (1.37) than E. Suratensis (1.25). Ectoparasites were more common in the gills of M. Cephalus (84.6%) and E. Suratensis (88.5%) than in the skin, fins, and operculum. The condition factor of infected E. Suratensis (1.91±0.82) was slightly lower than that of uninfected fish (2.2±0.76). However, there was no difference in condition factor between infected (1.84±0.41) and uninfected M. Cephalus (1.87±0.61). The number of infected parasites per fish was unrelated to either length class or condition factor in either species (p>0.05). The findings of this study could be used to manage disease outbreaks in the wild and aquaculture development efforts in estuarine environments.
Preliminary Study: Effect of Infrared Soft-Laser Irradiation on Gonadal Maturity Stage of Female Siamese Striped Catfish (Pangasianodon hypophthalmus) Puspitasari, Febriyanti; Mukti, Akhmad Taufiq; Mubarak, Ahmad Shofy
Journal of Aquaculture and Fish Health Vol. 14 No. 3 (2025): JAFH Vol. 14 No. 3 September 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i3.52410

Abstract

Gonadal maturity and spawning of Siamese striped catfish depend on the rainy season, while outside of the season, hormonal treatment is not effective. Alternative technologies should be explored to enhance the gonadal maturity of fish. This study aims to examine the effect of infrared soft-laser irradiation on the gonadal maturity stage (GMS) of female Siamese striped catfish (Pangasianodon hypophthalmus). This study was performed through experimental methods using a completely randomized design (CRD) consisting of six treatments with four replications. Treatments were used, namely negative control (K-, no treatment), positive control (K+, injection of human chorionic gonadotropin / hCG and ovaprimTM), soft-laser exposure dose of 0.2 J/cm2 (T1), 0.4 J/cm2 (T2), 0.6 J/cm2 (T3), and 0.8 J/cm2 (T4). The parameter of GMS was measured. Data was analyzed using ANOVA following Duncan’s multiple range test. The result showed that soft-laser irradiation showed significant differences (P < 0.05) in GMS of female Siamese striped catfish. The highest GMS was shown through soft-laser exposure dose of 0.4 J/cm2 (T2), with 98.75% of fish reaching GMS IV and 1.25% at GMS III. Infrared soft-laser irradiation dose of 0.4 J/cm2 was the optimal dose to accelerate the gonadal maturity of female Siamese striped catfish.
Linear Vitamin A Requirements for Maternal Health and Reproduc-tive Performance in African Catfish (Clarias gariepinus) Okure, Godswill; Udo, Imefon; Afia, Ofonime
Journal of Aquaculture and Fish Health Vol. 14 No. 3 (2025): JAFH Vol. 14 No. 3 September 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i3.64141

Abstract

A 180-day feeding experiment was conducted in three phases of sixty (60 days each, designated as F0, F1, and F2. The preliminary phase was conducted to detoxify the brood fish of cellular VA. The second and third phases were conducted to assess the first and second spawning seasons. During the preliminary phase, experimental fish were fed with the basal diet thrice a day with three percent fresh body weight to detoxify the fish of residual Vitamin A. A two-generation (F1 and F2) feeding trial evaluated the impact of graded vitamin A supplementation levels on broodstock performance. Three replicate groups of 20 fish (initial weight: 1.60 ± 0.38 kg) were fed one of five isocaloric and isonitrogenous diets, containing 0, 1666, 3332, 6664, or 13,328 IU/kg of vitamin A, at three meals per day. Growth performance, feed utilization, and Survival rate all improved with increased levels of VA and were significantly better (P< 0.05) in F2. Mean GSI, HSI, total fecundity, and relative fecundity. Signs of vitamin A deficiency, including growth retardation and suboptimal feed conversion, were evident in fish receiving the unsupplemented diet (0 IU kg-1). Fortification of the brood stock fish diet of C. Gariepinus and maternal age resulted in improved reproductive performance. The aquaculture industry should formulate broodstock rations with 13,328 IU kg-1 diet of VA inclusion and select mature female broodstock for artificial breeding.

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