Reproductive Biology, Trophodynamics and Stock Structure of Ribbonfish (Trichiurus lepturus Linnaeus, 1758) in Tropical Marine Waters of the Bight of Benin
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Published:
Aug 1, 2019
Keywords:
Fecundity Feeding-intensity Fish eggs Stock-structure
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Abstract
This study was an attempt to understand the exploitation rate and mortality parameters of Trichiurus lepturus Linnaeus, 1758 for sustainable exploitation and conservation of this important fish species in Ogun coastal waters, Nigeria. Reproductive biology, trophodynamics and stock structure of the population was assessed from ribbonfish captured with graded gillnets (18, 22, 26, 30, 40, 45, 50, 65, 70, 75, 80 and 90 mm, knot-to-knot). A total of 1,616 individuals of T. lepturus were captured and subjected to descriptive and inferential statistical tools. Sex ratio of males: females (0.4:1) was significantly (x2=32.144; p=0.0007) different from unity. Peak spawning seasons were December and July. Total fecundity ranged between 7,051 and 12,456 eggs·yr-1. In stomach contents, juveniles of ribbonfish dominated the finfish group with an index of relative importance (IRI) value of 42.6%, while Penaeids occurred most in the shellfish group with IRI value of 17.3%. Feeding intensity showed that juveniles fed mostly on prawns and crustaceans while adults fed more on finfishes. T. lepturus exhibited positive allometric growth with modal classes of 35-36.9 and 45-46.9 cm; von Bertallanfy model gave an asymptotic-length (L∞) of 69.3 cm. Exploitation rate of T. lepturus is 0.73, which indicates that the stock of T. lepturus is marginally over-exploited.
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Ojelade, O. C., Omoniyi, I. T., Abdul, W. O., Adeosun, F. I., Idowu, A. A., & Abdulraheem, I. (2019). Reproductive Biology, Trophodynamics and Stock Structure of Ribbonfish (Trichiurus lepturus Linnaeus, 1758) in Tropical Marine Waters of the Bight of Benin. Journal of Fisheries and Environment, 43(2), 43–56. Retrieved from https://li01.tci-thaijo.org/index.php/JFE/article/view/165372
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References
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2. Abdussamad, E.M., P.N.R. Nair and P. Achayya. 2006. The ribbonfish fishery and stock assessment of Trichiurus lepturus Linnaeus off Kakinada, east coast of India. Journal of the Marine Biological Association of India 48(2006): 41-45.
3. Afonso-Dias, I., C. Reis and P. Andrade. 2005. Reproductive aspects of Microchirus azevia (Risso, 1810) (Pisces: Soleidae) from the south coast of Portugal. Scientia Marina 69: 275-283.
4. Akpaniteaku, R.C, M. Weimin and Y. Xinhua. 2005. Evaluation of the contribution of fisheries and aquaculture to food security in developing countries. NAGA. 28: 28-32.
5. Al-Nahdi, A., A. Al-Marzouqi, E. Al-Rasadi and J.C. Groeneveld. 2009. The size composition, reproductive biology, age and growth of largehead cutlassfish Trichiurus lepturus Linnaeus from the Arabian Sea coast of Oman. Indian Journal of Fisheries 56: 73-79.
6. Ama-Abasi, D.E. 2002. Aspects of population biology of bonga, Ethmalosa fimbriata (Bowdich, 1825) (Clupeidae) in Cross River Estuary, Nigeria. Ph.D. thesis, University of Calabar, Calabar. 179 pp.
7. Ayansanwo, T.O. 2003. Fisheries development in Nigeria with special reference to Ogun State. OGADEP, Idi-Aba, Abeokuta. 30 pp.
8. Bagenal, T.B. 1978. Aspects of fish fecundity. In: Methods of assessment of ecology of freshwater fish production (ed. S.D. Gerking), pp. 75-101. Blackwell Scientific Publication, Oxford, UK.
9. Bittar, V.T. and A.P.M. Di-Beneditto. 2009. Diet and potential feeding overlap between Trichiurus lepturus (Osteichthyes: Perciformes) and Pontoporia blainvillei (Mammilia: Cetacea) in northern Rio de Janeiro, Brazil. Zoologia 26: 374-378.
10. Brewton, R.A., B. Matthew, J. Ajemian, C. Peter, Y. Gregory and W. Stunz. 2016. Feeding ecology of dolphinfish in the Western Gulf of Mexico. Transactions of the American Fisheries Society 145(4): 839-853.
11. Chiou, D., C.Y. Chen, C.M. Wang and C.T. Chen. 2006. Food and feeding habits of ribbonfish Trichiurus lepturus in coastal waters of south-western Taiwan. Fisheries Science 72: 373-381.
12. Clark, C.W. 2006. The worldwide crisis in fisheries. Cambridge University Press. Cambridge, UK. 217 pp.
13. Dudgeon, D., A.H. Arthington, M.O. Gessner, Z.I. Kawabata, D.J. Knowler, C. Leveque, R.J. Naiman, A.H. Prier-Richard, D. Soto and M.J. Stiassny. 2006. Freshwater diversity: importance, threats, status and conservation challenges. Biological Review 81: 163-182.
14. Ekanem, S.B., A. Marilyn-Joan. and M.M. Ekere. 2004. Studies on some reproductive aspects of Pseudotolithus elongatus in the Cross River estuary, Nigeria. Scientia Marina 68(2): 265-271.
15. Food and Agriculture Organization of the United Nation (FAO). 2010. Ecosystem approach to aquaculture. FAO technical guidelines for responsible fisheries No. 5, Suppl. 4. Rome. 53 pp.
16. Ghosh, S., M.V. Hanumantha Rao, P. Rohit, K. Rammohan and G. Maheswarudu. 2014. Reproductive biology, trophodynamics and stock structure of ribbonfish Trichiurus lepturus from northern Arabian Sea and northern Bay of Bengal. Indian Journal of Geo-marine Science 43(5): 755-771.
17. Hyslop, E.P. 1980. Stomach content analysis: a review of methods and their application. Journal of Fish Biology 17: 41-429.
18. Jamu, D.M and A.O. Ayinla. 2003. Potential for the development of agriculture in Africa. NAGA 26(3): 9-13
19. Karr, D., A.V. Nagarthana, T.V. Ramachandra and S.C. Dey. 2006. Fish diversity and conservation aspects in an aquatic ecosystem in north eastern India. Zoos’ Print Journal 21: 2308-2315.
20. Le Cren, E.D. 1951. The length-weight relationship and seasonal cycle in gonad weight and condition in the perch Perca fluviatilis. Journal of Animal Ecology 20(2): 201-219.
21. Martins, A.S. and M. Haimovici. 2000. Reproduction of the cutlassfish Trichiurus lepturus in the southern Brazil subtropical convergence ecosystem. Scientia Marina 64: 97-105.
22. Morato, T., P. Afanso and P. Lourhino. 2001. Length-weight relationship for 21 coastal fish species of the Azores, North Eastern Atlantic. Fisheries Research 50 (3): 297-302.
23. Munro, J.L. and D. Pauly. 1983. A simple method for comparing the growth of fishes and invertebrates. ICLARM Fishbyte 1(1): 5-6.
24. National Population Commission (NPC). 2006. Nigeria national census: population distribution by sex, state, LGAs and senatorial district abuja: 2006 Census priority tables (vol. 3). https://scholar.google.com/scholar_lookup?title=Population+distribution+by+sex,+state,+LGAs+and+senatorial+districts:2006+census+priority+tables&publication_year=2006&. Cited 7 Jan 2019.
25. Nunoo, F.K., E.E. Sossoukpe, A. Adite and F.D. Fiogbe. 2013. Food habits of two species of Pseudotolithus (sciaenidae) off benin (west africa) nearshore waters and implications for management. International Journal for Fisheries and Aquaculture 5(6):142-151.
26. Odulate, D.O. 2010. Diversity and growth parameters of fish population in a part of Gulf of Guinea in Ogun State, Nigeria. Ph.D thesis, Federal University of Agriculture, Abeokuta. 136 pp.
27. Odulate, D.O., F.O.A. George and A.A. Idowu. 2012. Role of women in fisheries in coastal wetland areas of Ogun State, Southwest Nigeria. Journal of Agricultural Science and Environment 12(1): 74-82
28. Offem, B.O., Y. Akegbejo-Samsons and I.T. Omoniyi. 2008. Reproductive aspects of common freshwater fishes in the Cross River, Nigeria. Journal of Animal and Plant Sciences 18(4): 130-138.
29. Ojelade, O.C., I. Abdulraheem, D.O. Odulate, F.I. Adeosun, M.I. Akaeze and A.K. Sanusi. 2016. Ecological assessment of fish biodiversity in relation to hydrological variables in Ogun coastal water, Ogun State, Nigeria. Journal of Aquatic Sciences 31: 129-141.
30. Olopade, A. 2001. Biodiversity and conservation of marine fish beels of the coastal wetlands of Ogun State, Nigeria. Ph.D Thesis, University of Ibadan, Ibadan. 205 pp.
31. Olukolajo, S.O. and K.A. Oluwaseun. 2008. Seasonal variation in the distribution and fish species diversity of a tropical lagoon in South-West Nigeria. Journal of Fisheries and Aquatic Science 3: 375-383.
32. Oluwalana. 1997. An economic Analysis of the existing teak and Gmelina plantation in Ogun state, Nigeria. The Nigerian Journal of Forestry 27(3): 40-47.
33. Pauly, D. 1980. A selection of simple methods for the assessment of tropical fish stocks. FAO Fisheries Technical Paper No. 234. 54 pp.
34. Pauly, D. and N. David. 1981. ELEFAN I, a BASIC program for the objective extraction of growth parameters from length frequency data. Meeresforsch 28(4): 205-211.
35. Pauly, D. and J.L. Munro. 1984. Once more on growth comparisons in fishes and invertebrates. ICLARM Fishbytes 2(1): 20-21.
36. Paul, M., S. Hajisamae, S. Pradit, P. Perngmark and R. Islam. 2018. Trophic ecology of eight sympatric nemipterid fishes (Nemipteridae) in the lower part of the South China Sea. Turkish Journal of Fisheries and Aquatic Sciences 18: 277-287
37. Sparre, P. and S.C. Venema. 1992. Introduction to tropical fish stock assessment. Part 1 manual. FAO Fisheries Technical Paper No 306 (1), Rev. 1. FAO, Rome. 376 pp.
38. Udo, M.T., G.P. Ayua1, M.M. Akpan, S.I. Umana and A.I. Isangedighi. 2014. Abundance, condition factor, food and feeding habits of the solefish Cynoglossus senegalensis in the cross river estuary, Nigeria. Nigerian Journal of Agriculture, Food and Environment 10(3): 43-48
39. Ugwumba, A.A. and O.A. Ugwumba. 2007. Food and feeding ecology of fishes in Nigeria. Jodetan Ventures. Ibadan. 70 pp.
40. United Nations. 2004. Global action for women towards sustainable and equitable development. https://www.un-documents.net/a21-24.htm. Cited 7 Jan 2019.
41. Von Bertalanffy, L. 1938. A quantitative theory of organic growth (inquiries on growth laws. II). Human Biology 10: 181-213.
42. Yan, Y., J. Chen, H. Lu, G. Hou and J. Lai. 2012. Feeding habits and ontogenetic diet shifts of hairtail Trichiurus margarites, in the Beibu Gulf of the south China Sea. Acta Ecologica Sinica 32(1): 18-25.
43. Yeldan, H. and O. Avsar. 2000. A preliminary study on the reproduction of the rabbit fish Siganus rivulatus (Forsskal. 1775) in the north eastern Mediterranean. Turkish Journal of Zoology 24:173-182.
44. Zar, J.H. 1999. Biostatistical analysis, 4th Edition. Prentice–Hall, Englewood Cliffs, New Jersey. 662 pp.