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

Assessment Of Biosecurity Measures In Fish Farms Of Udu Local Government Area, Delta State, Nigeria
Authors:  Aladetohun, Nike Funmilayo*, Oche, Charity, Caleb Michael Okeoghene and Barde, Israel Joshua
https://doi.org/10.31248/GJFS2024.064   |   Article Number: F751A78D1
The study assessed biosecurity measures in fish farms in the Udu Local Government Area, Delta State, Nigeria. A purposive sampling technique was used to select four communities (Uwian, Orhuwhorun, Ugbisi and Kotokoto) in the study area, while cluster sampling was used to select one hundred and sixty-eight (168) fish farmers from Udu Local Government Area of Delta... Continue here
Use Of Salt As A Disinfectant In The Treatments Of Bacteria Found In Eggs Of Cultured Clarias Gariepinus (burchell, 1822)
Authors:  F. A. Awe*, E. A. Omogunwa, O. A. Olanloye and O. M. Ogunbanwo
https://doi.org/10.31248/GJFS2024.067   |   Article Number: 72881F842
Egg disinfection is considered the most important routine work in hatcheries to avoid bacterial infection of fish eggs. This study assessed the use of sodium chloride (common salt) in the treatment of fish pathogens isolated from the eggs of Clarias gariepinus. Nine brood stocks of Clarias gariepinus were used. Their eggs were collected and taken to the... Continue here
Investigation Of Bacterial Organisms Associated With Milt Of Wild Broodstock Clarias Gariepinus (burchell, 1822) Caught From Ogun River
Authors:  Awe, F. Adekunle*, Hammed, A. Mutalib, Onafadeji, O. Oluwafemi, Akinyemi, A. Adeolu, Olanloye, O. Adebimpe and Ogunbanwo, O. Michael
https://doi.org/10.31248/GJFS2024.068   |   Article Number: 7D91451E3
This study was carried out to isolate and identify the bacteria species that are found in wild Clarias gariepinus. Identification of bacterial organisms from catfish provides updated information on emerging and existing organisms thereby enriching the gene bank on fish disease. Catfish broodstock was collected from fishermen of Ogun River located in the heart of... Continue here
Analysis Of Determinants And Constraints In The Sales Performance Of Cultured Fish Produced By Cultured Fish Producer-marketers In Benue State, Nigeria
Authors:  Nuhu Boniface Ibrahim* and Jummai Peter
https://doi.org/10.31248/GJFS2025.070   |   Article Number: 6482031B4
The study was conducted to analyze the factors that determine the sales performance and the constraints that producer-marketers encounter in producing and marketing cultured fish in Benue State, Nigeria. Respondents for the study were selected using a multi-stage sampling technique. Three hundred (300) fish producer-marketers were used for the study, and a... Continue here
Histopathology And Haematological Properties Of Clarias Gariepinus Juveniles Fed With Fermented And Cooked Blood Meal-bovine Rumen Digesta Diets (bmbrd)
Authors:  Lawal, B. M.*, Awonuga, A. A., Oke, I. A., Ololade, O. P., Adewole, H. A. and Olaleye, V. F.
https://doi.org/10.31248/GJFS2024.066   |   Article Number: 84F2FAE85
This study evaluated the effects of the fermented and cooked blood meal-bovine rumen digesta diets fed to the fish juveniles on the histopathology and haematological properties of Clarias gariepinus juveniles. Five iso-nitogenous experimental diets containing 40% CP were formulated based on the proximate composition of used feedstuffs. Two sets of the experimental... Continue here
Proximate Analysis Of Clarias Gariepinus And Oreochromis Niloticus In River Benue At Ibi Landing Site, Taraba State, Nigeria
Authors:  Amos J. T., Peter U.* and Ame. C.
https://doi.org/10.31248/GJFS2025.072   |   Article Number: D1A981CD1
This study was carried out to examine the proximate composition of selected Clarias gariepinus and Oreochromis niloticus and to compare the composition of Clarias gariepinus and Oreochromis niloticus from the Ibi River. The samples were collected from Ibi, the study site and transported to the laboratory for examination using standard methods. The percentage ratio... Continue here
Effect Of Natural Spices On The Proximate Composition And Shelf Life Of Smoke-dried African Catfish (clarias Gariepinus) In Lafia, Nasarawa State
Authors:  Yusuf J. K.*, Okunsebor S. A., Umar K. A. and Kwala G. J.
https://doi.org/10.31248/GJFS2025.076   |   Article Number: C20F19092
The effect of natural species on the proximate composition and shelf life of smoke-dried African catfish in Lafia, Nasarawa State, was investigated. To determine the proximate composition of the muscle tissue of the products before and after storage, 42 kilograms of fresh C. gariepinus (500 g) average weight was distributed at 2 kg per treatment, and cured with T1... Continue here
Sensory Evaluation Of Spiced Catfish Using Brine, Garlic, Ginger, Turmeric As Preservatives And Value-added Enhancers In Lafia, Nasarawa State, Nigeria
Authors:  Yusuf, J. K.*, Okunsebor S. A. and Omeji S.
https://doi.org/10.31248/GJFS2025.078   |   Article Number: CCC1D1283
The sensory quality of smoked catfish (Clarias gariepinus) treated with different natural preservatives was studied. Catfish chunks were cured with; Salt (T1), Ginger (T2), Garlic (T3), Turmeric (T4), Ginger and garlic (T5), Ginger and turmeric (T6) and Garlic and turmeric (T7) at different levels (10, 20, and 20 g) and evaluated. The study comprises seven (7)... Continue here
Effectiveness Of Salt, Ginger, Garlic And Turmeric As Preservatives On The Microbial Quality Of Smoked African Catfish (clarias Gariepinus) In Lafia, Nasarawa State, Nigeria
Authors:  Yusuf, J. K.*, Okunsebor, S. A., Omeji, S. and Adoke, I. Y.
https://doi.org/10.31248/GJFS2025.077   |   Article Number: E6C090E91
Effectiveness of salt, ginger, garlic and turmeric as preservatives on the microbial quality of smoked C. gariepinus was investigated after treatments and storage for two months, with a view to extending its shelf life as well as consumer acceptance. 105 kg of fresh C. gariepinus was distributed at 15 kg per treatment, and cured with T1 (Salt), T2 (Ginger), T3... Continue here
Spatial And Temporal Dynamics Of The Primary Productivity Of The Lower River Niger At Agenebode, Edo State, Nigeria
Authors:  Adeniyi, A. O.* and Ewutanure, S. J.
https://doi.org/10.31248/GJFS2025.081   |   Article Number: 495091072
Biotic systems rely on continuous energy inputs, mostly from sunlight through primary production, to maintain their structure and order. There is a paucity of information on the primary productivity of the Lower River Niger (LRN), hence, this study investigates the variation in the primary production of LRN across time and space. LRN was stratified into three... Continue here
Composition Of Black Soldier Fly Larvae (hermetia Illucens): A Comparative Study Across Three Different Rearing Substrates And Two Different Drying Methods
Authors:  B. O. Omitoyin, E. K. Ajani, O. B. Oduntan, O. K. Kareem, S. O. Yusuf and K. A. Iyapo*
https://doi.org/10.31248/GJFS2025.084   |   Article Number: A374C1A43
The development of the aquaculture sector in Nigeria has been slowed by the growing cost of feed ingredients, particularly fish meal. It is becoming more and more common to produce Black Soldier Fly (Hermetia illucens) larvae (BSFL) as insect meal and a sustainable substitute for conventional animal feed sources. However, there is limited information on the best... Continue here
Microbial Assessment Of Clarias Gariepinus Fillets Fed Defatted And Non-defatted Sundried Black Soldier Fly Larvae Meal
Authors:  Kafayat Aina Iyapo*, Bamidele Oluwarotimi Omitoyin, Emmanuel Kolawole Ajani and Oladeji Kazeem Kareem
https://doi.org/10.31248/GJFS2025.088   |   Article Number: 5531E40F4
Aquaculture production in Nigeria is hindered by the dependence on fishmeal as the main protein source in fish feed. Consequently, there is a need to explore alternative protein sources that is cost-effective, sustainable and pose no risk to consumers. This study evaluated the microbial loads and isolates in Clarias gariepinus fillets fed defatted (DF) and... Continue here
Effect Of Commercial Probiotics On Growth Performance, Carcass Quality And Haematological Profile Of Clarias Gariepinus (burchell, 1822) Juveniles Cultured In Concrete Tanks
Authors:  Lawal, B. M.*, Oke, A. I., Awonuga, A. A., Oyeniyi, O. V., Soboyejo, I. O., Shofu, Y. A., Ugbodu, F. O. and Akintayo, I. A.
https://doi.org/10.31248/GJFS2025.089   |   Article Number: A8527EF25
Two thousand (2000) Clarias gariepinus fingerlings (5.25 g) were obtained from a reputable fish farm in Lagos and were transported to the grow-out section of the Aquaculture Department, Nigerian Institute for Oceanography and Marine Research, Badore, Lagos. Four concrete tanks (2 m x 6 m x 1 m) were thoroughly washed with saline water; two of the concrete tanks... Continue here
Effect Of Packaging On The Proximate Composition Of Stored Citrus Essential Oil-preserved Smoked Clupeids (e. Fimbriata And S. Maderensis)
Authors:  Oladosu-ajayi, R. N.*, George, F. O. A., Alegbeleye, W. O. and Olateju, O. P.
https://doi.org/10.31248/GJFS2025.082   |   Article Number: 7B609EAC1
The study examined the preservative potentials of lemon peel oil for smoked Clupeids, Ethmalosa fimbriata and Sardinella maderensis in combination with packaging materials on the proximate composition. Two hundred samples (400 nos: 200 each of both fish samples were divided into two: one part was coated with lemon peel oil (packaged and unpackaged in sterile... Continue here
Nutritional Value And Health Risk Assessment Of Metal Residues In Fish Smoked Using Various Kilns In Douala, Cameroon
Authors:  Jean Valery François Nsoga*, Jules Christophe Manz Koule, Justin Djopnang Djimbie, Régine Somon Tuem, Merlin Nchoutpouen Ngafon, Roland Jethro Ekwala Misse Ngangue and Mathieu Ndomou
https://doi.org/10.31248/GJFS2025.090   |   Article Number: 6C1D8C302
The nutritional value and health risk associated with metal residues in fish smoked using various kilns in Douala were investigated. Forty fish samples of Ethmalosa fimbriata, Sphyreana afra and Gadus morhua, respectively, were collected from Youpwe market, transported to the laboratory, washed with distilled water and smoked with four different kilns: Half metal... Continue here
A Novel Body Mass Index (sfbmi) Approach To Fish Health Assessment In Fisheries And Aquaculture: Prototype Framework And Species-specific Considerations
Authors:  Mathew Olatunji Awotunde
https://doi.org/10.31248/GJFS2025.091   |   Article Number: 0F8C761B1
Assessing the health and condition of fish is essential in Fisheries and Aquaculture, as it reflects nutritional status, ecological well-being, and environmental quality. Traditional indices such as Fulton’s condition factor (K) and relative condition factor (Kn) have been widely used by fisheries scientists and environmentalists. Still, these often assume... Continue here
Jaw Tags Do Not Impact Adult Rainbow Trout Oncorhynchus Mykiss (walbaum, 1792) Growth Or Physiology
Authors:  Jackson Tyndall, Nathan Huysman and Michael E. Barnes*
https://doi.org/10.31248/GJFS2025.096   |   Article Number: 6D49E7AD2
Metal tags secured to the jaw of fish have long been used in fisheries management to collect data on fish behavior and growth. This study was undertaken to evaluate the possible effects of these jaw tags on relatively large rainbow trout Oncorhynchus mykiss growth and physiology. A total of 160 rainbow trout, initial weight 1134 ± 19 g (mean ± SE)... Continue here
Effect Of Sex Reversal Hormone (17ᾳ-methyltestosterone) On Growth Performance And Survival Rates Of Heterobranchus Longifilis Fry
Authors:  Umar, K. A.*, Yusuf, J. K., Kwala, G. J., Ramalan, M. I. and Muhammad, S. Y.
https://doi.org/10.31248/GJFS2025.095   |   Article Number: 605CC3EE3
The study aimed at determining the effect of sex reversal hormone (17α-methyltestosterone) on the growth performance and survival rate of Heterobranchus longifilis. The experiment consisted of five treatments replicated three times in a completely randomised design. Mature and gravid broodstocks of H. longifilis were purchased and bred in the laboratory... Continue here
Assessing Sustainable Fishing Strategies In Nigeria’s Artisanal Fisheries
Authors:  Akinkunmi Sunday Ojo*, Ololade Ajoke Akingbola, Mary Adepeju Gbadamosi, Oba Oyewole Samuel, Segun Damilare Mustapha, Adejuwon Ayomide Mustapha, Emmanuel Olayinka Aboderin, Ismot Olajumoke Olabamiji and Victoria Oluwagbemisola Ajanaku
https://doi.org/10.31248/GJFS2025.097   |   Article Number: 090BC0184
Artisanal fisheries are vital to Nigeria’s food security, livelihoods, and socio-economic stability, supplying over 80% of domestic fish and employing millions across coastal and inland communities. Despite their importance, the sector faces significant challenges, including overfishing, weak governance, climate change, pollution, and limited adherence to... Continue here
Evaluating The Economic Performance Of The Aquaculture Value Chain In Lagos State, Nigeria
Authors:  O. G. Falana*, A. A. Jimoh and G. O. Mekuleyi
https://doi.org/10.31248/GJFS2025.093   |   Article Number: 9B45AF501
The role of fish farmers, feed sellers, sellers of aquatic products and accessories, fish processors and fish mongers, among others, in Lagos state cannot be ignored. However, to date, there is no documented report on the economic performance of these actors in the agricultural zones of Lagos State. The sampling sites for the study were the three Agricultural... Continue here

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