Research Article
Length-based growth, mortality, and biological reference points of Chrysichthys nigrodigitatus (Lacepède, 1803) from the Yeji arm of Lake Volta, Ghana
Abstract
Individuals of Chrysichthys nigrodigitatus from Lake Volta, Ghana (West Africa), were examined between January and December 2020 for growth, mortality, and exploitation rate using total length measurement. Monthly length-frequency data were collected from 244 samples and analysed using the FiSAT II Tool. The estimated asymptotic total length (L∞), the coefficient of growth (K), and the calculated growth performance index (phi) were 27.3 cm, 0.57, and 2.63 pear year, respectively. The total mortality rate (Z), natural mortality rate (M), and fishing mortality rate (F) were 1.57, 0.92, and 0.66 pear year, respectively. The exploitation rate (E = 0.42) was below the optimum level of 0.5, which indicates that the species is underexploited. Based on the Emsy (0.56) value, analyses show that the exploitation rate is below the sustainable limit, hence the need for continuous monitoring of fishing efforts to ensure that the limit reference point is not exceeded.
References
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- Qamar, N, Panhwar, S. K. and Brouwer, S. (2016). Population Characteristics and Biological Reference Point Estimates for Two Carangid Fishes, Megalaspis cordyla and Scomberoides tol, in the Northern Arabian Sea Coast of Pakistan. Pakistan Journal of Zoology, 48(3), 869-874.
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Year 2024,
Volume: 7 Issue: 1, 8 - 14, 03.01.2024
Abstract
References
- Adite, A., Gbaguidi, H.M.G.A., Ategbo, J.M. (2017). Reproductive biology and life history patterns of the Claroteid, Chrysichthys nigrodigitatus (Lacépède: 1803) from a Man-made Lake in Southern Benin. Journal of Fisheries and Aquatic Science, 12(3), 106-116. https://doi.org/10.3923/jfas.2017.106.116
- Ajagbe, S.O., Odulate, D.O., Ajagbe, R.O., Ariwoola, O.S., Abdulazeez, F.I., Oyewole, O.O., Oyekan, O.O. (2021). Population dynamics of Chrysichthys nigrodigitatus (Lacépède, 1803) in Ikere-gorge, Oyo State, Nigeria. Ghana Journal of Agricultural Science, 56(1), 79-86. https://doi.org/10.4314/gjas.v56i1.6
- Aleev, Y.G. (1952). Horse Mackerel of the Black Sea, 24 pp.
- Anato, C.B. (1999). Les Sparidae des côtes béninoises: Milieu de vie, pêche, présentation des espèces et biologie de Dentex angolensis Poll et Maul, 1953. Thèse de Doctorat d’Etat es Sciences, Fac. Sci. 1060 Tunis, 277 p.
- Azim M.K.M., Amin S.M.N., Romano N., Arshad A., Yusoff F.M. (2017). Population Dynamics of Yellowtail Scad, Atule mate (Cuvier 1833) in Marudu Bay, Sabah, Malaysia. Sains Malaysiana, 46(12), 2263- 2271. https://doi.org/10.17576/jsm-2017-4612-02
- Baijot, E., Moreau, J., Bouda, S. (1997). Hydrobiological aspects of fisheries in small reservoirs in the Sahel region. Technical Centre for Agricultural and Rural Cooperation. Wageningen, The Netherlands, pp. 243.
- Berra, T.M. (2001). Freshwater fish distribution. Academic press. San Diego, CA. ISBN: 978-0080532011
- Dankwa, H.R., Abban, E.K., Teugels, G.G. (1999). Freshwater fishes of Ghana: identification, distribution, ecological, and economic importance. 53pp.
- Ezenwa, B.I.O., Ikusemiju, K. (1981). Age and growth determinations in the catfish, Chrysichthys nigrodigitatus (Lacépède) by use of the dorsal spine. Journal of Fish Biology, 19(3), 345-351. https://doi.org/10.1111/j.1095-8649.1981.tb05837.x
- Gayanilo, F.C., Sparre, P., Pauly, P. (2002). The FAO‐ICLARM stock assessment tools II (FiSAT II) User’s guide. FAO, Rome.
- Georgiev, Z.M., Kolarov, P. (1962). “On the migration and distribution of horse mackerel (Trachurus ponticus Aleev) in the western part of Black Sea,” Arbeiten des Zentralen Forschungsinstitutes für Fishzucht und Fisherei Varna, 2, 148–172.
- Ghana Statistical Service (GSS). (2014). The Ghana living standards survey round six (GLSS6).
- Gulland, J.A. (1971). The fish resources of the oceans. West by fleet survey. Fishing News (Books) Ltd., for FAO, West By fleet, England: 255. ISBN: 1341661490
- Kone, N., N’da A.S., Badia A.T., Boguhe B.F.H.D., Berte, S. (1995). Growth, exploitation parameters and sexual maturity of Chrysichthys nigrodigitatus (Lacépède, 1803) downstream of the Taabo dam (Bandama River, Côte d’Ivoire). International Journal of Fisheries and Aquatic Studies, 10(4), 200-205. https://doi.org/10.22271/fish.2022.v10.i4c.2713
- Macer, C.T. (1977). Some aspects of the biology of the horse mackerel [Trachurus trachurus (L.)] in waters around Britain. Journal of Fish Biology, 10(1), 51-62. https://doi.org/10.1111/j.1095-8649.1977.tb04041.x
- Munro, J.L. Pauly, D. (1984). Once more on the comparison of growth in fish and invertebrates. ICLARM Fishbyte, 2, 21.
- Nelson, J.S. (2006). Fishes of the World. 4th Edition. John Wiley & Sons, Inc., 624 pp ISBN: 978-0471250319
- Obeten Offem, B., Akegbejo-Samsons, Y., Tunde Omoniyi, I. (2008). Diet, size and reproductive biology of the silver catfish, Chrysichthys nigrodigitatus (Siluformes: Bagridae) in the Cross River, Nigeria. Revista de Biología Tropical, 56(4), 1785-1799. https://doi.org/10.15517/rbt.v56i4.5759
- Ofori-Danson, P.K., De Graaf, G.J., Vanderpuye, C.J. (2002). Population parameter estimates for Chrysichthys auratus and C. nigrodigitatus (Pisces: Claroteidae) in Lake Volta, Ghana. Fisheries Research, 54(2), 267-277. https://doi.org/10.1016/S0165-7836(00)00292-7
- Okogwu, O.I., Ajuogu, J.C., and Nwani, C.D. (2010). Artisanal fishery of the exploited population of Macrobrachium vollenhovenii Herklot 1857 (Crustacea; Palaemonidae) in the Asu River, southeast Nigeria. Acta Zoologica Lituanica, 20(2), 98-106. https://doi.org/10.2478/v10043-010-0011-x
- Pauly, D. (1984). Fish population dynamics in tropical waters: a manual for use with programmable calculators. ICLARM Contribution, Makati, Metro, Manila, Philippines, (143): pp. 325.
- Qamar, N, Panhwar, S. K. and Brouwer, S. (2016). Population Characteristics and Biological Reference Point Estimates for Two Carangid Fishes, Megalaspis cordyla and Scomberoides tol, in the Northern Arabian Sea Coast of Pakistan. Pakistan Journal of Zoology, 48(3), 869-874.
- Sparre, P., Venema, S.C. (1992). Introduction to tropical fish stock assessment. FAO Fish. ISBN: 978-9251028506
- Then, A.Y., Hoenig, J.M, Hall, N.G., Hewitt D.A. (2015). Evaluating the predictive performance of empirical estimators of natural mortality rate using information on over 200 fish species. ICES Journal of Marine Science, 72, 82-92. https://doi.org/10.1093/icesjms/fsu136
- Udoidiong, O.M., Ukpatu, J.E., Udoh, J.P. (2016). Recruitment pattern and length-at-first capture of the silvercatfish Chrysichthys nigrodigitatus Lacépède (1803): claroteidae in Lower Cross River, Southeast Nigeria. Tropical Freshwater Biology, 25, 1-11. https://doi.org/10.4314/tfb.v25i1.1
There are 25 citations in total.
Details
| Primary Language | English |
|---|---|
| Subjects | Fisheries Management |
| Journal Section | Research Articles |
| Authors | |
| Early Pub Date | November 27, 2023 |
| Publication Date | January 3, 2024 |
| Submission Date | September 19, 2023 |
| Published in Issue | Year 2024Volume: 7 Issue: 1 |
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