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Aquatic Life Sciences
Published by ETFLIN
ISSN : -     EISSN : 30635543     DOI : https://doi.org/10.58920/aqlis
Core Subject : Health, Science, Social,
Biochemistry, Genetics & Molecular Biology Environmental Science Veterinary
Aquatic Life Sciences is an open-access journal published by ETFLIN and dedicated to advancing research on aquatic life, encompassing various fields such as aquatic biotechnology, natural products from bioresources, and the impact of environmental stressors on ecosystems. The journal is affiliated with the Faculty of Fisheries and Marine Sciences, Mulawarman University. Aquatic Life Science aims to provide a platform for researchers, academics, and professionals to publish original research, reviews, and perspectives on all aspects of aquatic life. The journal seeks to promote interdisciplinary research that addresses aquatic organisms chemical, biological, ecological, physiological, and behavioral aspects and their interactions with the environment and other species. The Aqlis scope is related to these following topics but are not limited to: Aquatic biotechnology: research on the development and application of biotechnological approaches to marine and freshwater organisms, including the production of novel biomolecules, genetic engineering, and bioprospecting. Natural products from aquatic bioresources: studies on the identification and characterization of natural compounds with potential pharmaceutical, industrial, or agricultural applications, sourced from marine and freshwater organisms. Aquatic environment: research on the impacts of environmental stressors on aquatic ecosystems, including climate change, pollution, and habitat degradation, as well as the development of strategies for conservation and management. Aquaculture: studies on the cultivation and breeding of aquatic organisms for food, ornamental purposes, and other applications, including the development of sustainable aquaculture practices. • Biotechnology in seafood: studies on biotechnological tools and methods to improve the quality, safety, and sustainability of seafood production, including genetic engineering, bioprocessing, microbial ecology, food science, and food safety.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 26 Documents
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Prevalence and Intensity of Endoparasites in Ribbonfish (Trichiurus lepturus) from (Lamongan) and Tamperan (Pacitan) Fish Landing Sites (TPI) Himma, Nur Afidatul
Aquatic Life Sciences Volume 3 Issue 1
Publisher : ETFLIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58920/aqlis0301474

Abstract

Parasitic infections in marine fish pose economic and public health risks, particularly when zoonotic species are involved. Ribbonfish (Trichiurus lepturus), a commercially important species in Indonesia, is highly susceptible to endoparasites that may reduce fish quality and threaten human consumers. This study aimed to identify the types, prevalence, and intensity of endoparasites infecting ribbonfish landed at Paciran (Lamongan) and Tamperan (Pacitan). A total of 56 fish samples were examined through necropsy and microscopic observation of internal organs. Two nematode species, Anisakis sp. and Camallanus sp., were detected in the intestine, stomach, and muscle tissues. Prevalence was 0.2% at Paciran and 0.4% at Tamperan, while intensity reached 1.3 and 1.9 ind/individual, respectively. Infected fish were typically larger, with body weights ranging from 100–400 g and lengths of 60–80 cm, and often contained undigested small fish and crustaceans that may serve as intermediate hosts. Although infection levels were classified as low, the detection of zoonotic Anisakis sp. underscores the need for continued monitoring to prevent potential health risks and safeguard fishery resources.
Therapeutic Efficacy of Crinum Asiaticum Leaf Extract Against Aeromonas Hydrophila Infection in Juvenile Common Carp (Cyprinus Carpio L.) Azizah, Zahrina Hibatul
Aquatic Life Sciences Volume 2 Issue 2
Publisher : ETFLIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58920/aqlis0202444

Abstract

Bacterial infections caused by Aeromonas hydrophila are a major problem in freshwater aquaculture, often leading to high mortality and economic losses. Plant-based alternatives are needed to reduce dependence on synthetic antibiotics and mitigate antimicrobial resistance. This study evaluated the therapeutic efficacy of Crinum asiaticum leaf extract against A. hydrophila infection in juvenile common carp (Cyprinus carpio; 7–9 cm, ±80 g). Fish were immersed in extract solutions at concentrations of 20 mL (P1), 40 mL (P2), and 60 mL (P3) per 36 L of water for a single 45-minute treatment. The experiment followed a Completely Randomized Design (CRD) with three treatments and three replicates. Clinical signs, feeding response, startle reflex, survival rate, and water quality were monitored for 14 days. More than half of the infected fish developed dropsy, exophthalmia, and hemorrhages within 72 hours. Fish treated with 20 mL extract recovered fastest, achieving complete lesion resolution and a 90% survival rate. In contrast, P2 and P3 showed prolonged symptoms and only 10% survival, likely due to physiological stress and mild toxicity caused by higher concentrations that may irritate gill tissues. Water quality remained within optimal ranges throughout the trial. The superior therapeutic performance of the 20 mL concentration is likely attributable to the synergistic action of alkaloids and flavonoids at moderate levels, which enhance antimicrobial activity without inducing stress. These findings indicate that 20 mL is the most effective and safest concentration for immersion therapy, reinforcing the potential of C. asiaticum as a natural treatment for sustainable freshwater aquaculture.
Not Updated Since 2000? A Review of Biodiversity Assessments in Silot Bay, Liloan, Cebu, Philippines Angulo, Karl Cirilson Ellema
Aquatic Life Sciences Volume 3 Issue 1
Publisher : ETFLIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58920/aqlis0301567

Abstract

Coastal ecosystems support high levels of marine biodiversity and provide essential services, including shoreline protection, carbon sequestration, and fisheries production. Silot Bay, Liloan, Cebu, Philippines, is an ecologically and socio-economically important embayment; however, biodiversity assessments in the area remain sparse and temporally fragmented. This study presents a narrative review with structured literature search elements to synthesize available ecological studies on major taxonomic groups, including mangroves, fish, meiofauna, and algae, and to evaluate methodological consistency among studies retrieved from Google Scholar, ScienceDirect, Philippine E-Journals, and institutional repositories from local universities. A total of nine studies met the inclusion criteria, the majority of which were conducted prior to 2000, with post-2000 research limited to a single study on algal communities. Substantial variation in sampling methods, effort, spatial coverage, and taxonomic resolution constrains direct comparison across studies and limits interpretation of temporal patterns. Differences in reported species richness and community composition are evident across taxa; however, these patterns cannot be confidently attributed to ecological change due to methodological inconsistencies and limited data availability. The small number of studies and reliance on partially inaccessible historical data further restrict the establishment of a reliable biodiversity baseline for Silot Bay. Overall, this review highlights significant knowledge gaps and emphasizes the need for standardized, multi-taxa biodiversity assessments to support long-term monitoring and evidence-based coastal management.
Comparative Study on the Nutritional Profile of Cultured and Captured African Catfish (Clarias gariepinus) OBOH, Ijeoma Patience; EGUN, Nkonyeasua Kingsley; OLOWO, Ukpamufo Cyril
Aquatic Life Sciences Volume 3 Issue 1
Publisher : ETFLIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58920/aqlis0301598

Abstract

Aquaculture contribution to human nutrition, consumers’ preferential bias towards capture fisheries and concerns on food safety has necessitated the need for information on the nutritional composition of fish species from diverse settings such as geographical locations and aquaculture rearing facilities. This study determined the nutritional profile and associated human health risk of adult size African catfish (Clarias gariepinus) cultured in plastic tanks with those harvested from the wild. Results showed the mean protein (18.04%) and lipid (8.71%) values of cultured C. gariepinus were significantly higher than reported values in C. gariepinus from the wild, which makes them of more nutritional value to consumers. Captured fishes reported higher ash, mineral and trace metal contents, which was attributed to the elevated levels of these elements in their habitat waters due to water pollution. Low metal pollution index (MPI) values in cultured and captured fishes indicated an insignificant bioaccumulation of trace metals, and the absence of non – carcinogenic (HI <1) and carcinogenic (ICR < 1 × 10−6) risk associated with their consumption. Although the captured fishes at present poses no health risk to consumers; their recorded higher contents of trace metals, MPI, HI and CPI values is a cause for concern on the safe consumption of capture fishes. With increasing concerns on aquatic food safety, this study has shown that the consumption of cultured C. gariepinus provides more nutritional quality to consumers. The need for more monitoring studies on different culturing methods and settings on the nutritional composition and food safety is recommended.
Study of the Habitat Preferences of Kima Clams in the Waters of Bama, Baluran National Park, Situbondo Regency, East Java Aisyah, Assifa Dina
Aquatic Life Sciences Volume 3 Issue 1
Publisher : ETFLIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58920/aqlis0301575

Abstract

Giant clams (Tridacnidae) play an important ecological role in coral reef ecosystems; however, their populations continue to decline due to habitat degradation and overexploitation. Despite increasing conservation efforts, site-specific information on habitat preference, particularly related to substrate composition, remains limited in many Indonesian reef systems, including Bama Waters, Baluran National Park. This study aimed to assess the community structure and substrate habitat preferences of giant clams in this area. Field surveys were conducted at four stations using belt transect and quadrat methods, complemented by underwater photo transect analysis for substrate characterization and measurement of key environmental parameters. Community structure was analyzed using density and the Shannon–Wiener diversity index, while habitat preference was evaluated using Ivlev’s electivity index. A total of three giant clam species were recorded with Tridacna crocea dominating with a density of 0.52 ind/ha. Diversity was categorized as low to moderate and varied spatially in relation to substrate composition. Stations with mixed substrates, particularly hard coral and rubble, supported higher diversity values. Electivity analysis revealed species-specific habitat preferences, with T. crocea favoring rocky substrates, T. maxima associated with hard coral and rubble, and T. squamosa showing weaker habitat specialization. These findings suggest that substrate composition plays an important role in shaping giant clam distribution in Bama Waters. This study provides site-specific ecological information that may support more effective conservation and management strategies for giant clams in coral reef ecosystems.
Occurrence and Abundance of Vibrio spp. in Traditional Shrimp Ponds of Tarakan, Indonesia: Implications for Aquaculture Biosecurity Yusron, Muhammad; Maulianawati, Diana
Aquatic Life Sciences Volume 3 Issue 1
Publisher : ETFLIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58920/aqlis0301472

Abstract

Shrimp aquaculture faces recurrent challenges from Vibrio spp., opportunistic pathogens that threaten production sustainability, particularly in traditional farming systems with limited management inputs. Despite the widespread assumption that Vibrio levels in traditional ponds generally remain below pathogenic thresholds, information on their temporal persistence and relationship with water quality remains limited. This study aimed to isolate and quantify Vibrio spp. in traditional shrimp ponds in Tarakan, Indonesia, and to evaluate their relationship with key water quality parameters. Water samples were collected biweekly from week 0 to week 10 at three sampling stations in each of two ponds. Vibrio spp. were isolated using Thiosulfate Citrate Bile Salt Sucrose Agar (TCBSA), and Total Vibrio Counts (TVC) were expressed as colony-forming units per milliliter (CFU/mL). Physicochemical parameters, including temperature, pH, salinity, and dissolved oxygen (DO), were measured concurrently. The results showed that Vibrio colonies were consistently detected throughout the culture period, with abundances ranging from 1.5 × 10¹ to 2.6 × 10³ CFU/mL in Pond 1 and 2.4 × 10¹ to 1.2 × 10³ CFU/mL in Pond 2, remaining below the pathogenic threshold of 1 × 10⁴ CFU/mL. Water quality parameters remained within optimal ranges (temperature 31.4–32.0 °C, pH 7.3–7.8, salinity 17–18 ppt, DO 5.3–5.9 mg/L). Pearson correlation analysis showed weak and non-significant relationships between Vibrio abundance and the measured environmental variables. These findings suggest that Vibrio persistence in traditional shrimp ponds may be influenced by factors beyond physicochemical water quality. Continuous monitoring of Vibrio abundance is therefore important to support disease prevention and biosecurity management in traditional shrimp aquaculture systems.

Page 3 of 3 | Total Record : 26

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