Global Journal of Fisheries Science

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GLOBAL JOURNAL OF FISHERIES SCIENCE
Integrity Research Journals

ISSN: 2782-750X
Model: Open Access/Peer Reviewed
DOI: 10.31248/GJFS
Start Year: 2018
Email: gjfs@integrityresjournals.org

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GJFS Articles

Influence Of Heavy Metals Toxicity On Bioaccumulation And Histopathological Changes In The Tissues Of Clarias Gariepinus (burchell, 1822) At Watari Reservoir Of Bagwai In Kano State, Nigeria
Authors:  Jamila Muhammad Juma’ah, Mustapha Baba Geidam*, Abubakar Bala Abdullahi, Yakubu Ali Musa, Lawan Alhaji Ahmed and Balarabe Usman Getso
https://doi.org/10.31248/GJFS2025.092   |   Article Number: 4EFA143D2
This research assessed the impacts of pollution status on the reservoir that revealed insight into the bioaccumulation and histopathological changes in gills and liver tissues of C. gariepinus between February and September 2023. The atomic absorption spectrophotometer, Leica DM 750 microscope and Leica ICE 50 HD were used for heavy metals concentrations and... Continue here
Brown Trout Redd Locations In Spearfish Creek, In The City Of Spearfish, South Dakota, Usa, In The Fall Of 2025
Authors:  Grace Boysun, Jill M. Voorhees, Abigail Domagall and Michael E. Barnes*
https://doi.org/10.31248/GJFS2026.101   |   Article Number: 361E69FF3
A naturally-reproducing brown trout (Salmo trutta) population exists in the reach of Spearfish Creek in the city of Spearfish, South Dakota, USA. This study recorded redd spawning locations and environmental factors in three different sections within this reach in 2025. The first redd was observed on 3 October, and the last redds were observed on 7 November. A... Continue here
Stock Assessment And Management Of Freshwater Mullet, Planiliza Abu In The East Hammar Marsh, Iraq
Authors:  Entisar K. Hamed, Abdul-razak M. Mohamed* and Jassim M. Abed
https://doi.org/10.31248/GJFS2026.102   |   Article Number: 5D6A940B1
The present study assessed various parameters of freshwater mullet, Planiliza abu, in the East Hammar marsh, including growth parameters, mortality rates, probability of capture, recruitment pattern, yield-per-recruit, and virtual population analysis, using FiSAT II software. Monthly specimens were collected from November 2023 to October 2024, totalling 4,274... Continue here
Recirculating Aquaculture System-reared Juvenile Walleye Survived And Grew After Stocking In Owen Dam, South Dakota, Usa
Authors:  Andrew S. Marchant, Bill H. Miller, Gene Gallinat, Cody Treft, Jill M. Voorhees and Michael E. Barnes*
https://doi.org/10.31248/GJFS2026.104   |   Article Number: 6965C9FC2
Recirculating aquaculture system (RAS) technology is increasingly used to produce fish in recreational and conservation fish hatcheries. However, little is known about the post-stocking survival of RAS-reared walleye (Sander vitreus). This study evaluated the survival and growth of RAS-reared walleye stocked in Owen Dam, South Dakota, USA. RAS-reared juvenile... Continue here
Bacterial Load And Pathogenic Isolates In Commercially Important Freshwater Fish From River Niger, Onitsha, Nigeria: Food Safety Implications
Authors:  Ikeogu, C. F.*, Okpala-ezennia, K. P. and Chukwudi, O. G.
https://doi.org/10.31248/GJFS2026.105   |   Article Number: 9106327F1
Maintaining the microbiological safety of fish is essential for safeguarding public health, particularly in freshwater systems increasingly impacted by anthropogenic activities. This study evaluated the bacterial load and diversity of three commercially important freshwater fish species (Citharinus citharus, Marcusenius kainjii, and Synodontis membranaceus)... Continue here
Accumulation Of Heavy Metals In The Muscle Tissues Of Smoked Tilapia, Catfish, And African Lungfish Sold By Fish Vendors Along The Komodugu River, Yobe State, Nigeria
Authors:  Adamu, L., Musa, A.r.*, Muhammad, B.k., Zangina, A.m., Abdullahi, A.a., Makinde, O.j., Zango, M.h., Mohammed, A., Baraya, H.g. and Muhammad U.m.
https://doi.org/10.31248/GJFS2026.106   |   Article Number: E83488492
Heavy metal contamination in aquatic ecosystems poses serious health risks to both aquatic life and humans. The tissue-specific bioaccumulation of these metals in fish from polluted waters can result in life-threatening illnesses or even mortality. In the Komodugu River region, limited research has been conducted to evaluate heavy metal concentrations in fish... Continue here
Production And Consumption Of Fish And Fishery Products In Uganda: Trends, Status, And Implications For Food And Nutrition Security
Authors:  Caleb I. Adewale* and Uttam Deb
https://doi.org/10.31248/GJFS2026.108   |   Article Number: 4B5D6F753
Fish and fishery products provide a variety of essential vitamins, minerals, and fatty acids in addition to their high-quality protein. Fish is a significant source of animal protein in Uganda, accounting for about 50% of animal protein intake. They also play an important role in enhancing household income and food and nutritional security in Uganda. Uganda has... Continue here
Ecotoxicological Assessment Of Fieldklear Herbicide In Juvenile African Catfish (clarias Gariepinus) Under Static-renewal Conditions In Imo State, Nigeria
Authors:  Chizurum Utah, Malachy Nwigwe Okechukwu Ajima, Abdulrahman Jibril Bunu, Emmanuel Uchenna Cyril, Ogueri Chukwuma, Chukwuka Fabian Ezeafulukwe, Emperor Egwu Eluu, Juliet Ifeoma Uzoma and Okechukwu Kenneth Wokeh*
https://doi.org/10.31248/GJFS2026.110   |   Article Number: A45BB7B84
Limited information exists on the ecotoxicological effects of Fieldklear herbicide on freshwater fish species despite its increasing application in agricultural systems. This study investigated the acute toxicity and sublethal impacts of Fieldklear herbicide on water quality and behavioural responses of juvenile Clarias gariepinus. Acute toxicity bioassays were... Continue here

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