Dr. Ayoola Simeon Oluwatoyin
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Dr. Ayoola Simeon Oluwatoyin

Professor
Department of Marine Sciences, University of Lagos, Nigeria

Highest Degree
Ph.D. in Fisheries Management from University of Ibadan, Nigeria

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Area of Interest:

Animal and Veterinary Sciences
100%
Aquatic Animals
62%
Fisheries Management
90%
Environmental Biology
75%
Marine Science
55%

Research Publications in Numbers

Books
3
Chapters
2
Articles
76
Abstracts
18

Selected Publications

  1. Idowu, A.A., S.O. Ayoola, V.E. Nwekoyo, F.I. Adeosun and G.E. Adesiyan, 2019. Toxicity effect of varying concentrations of Raphia vinifera fruit extract on African catfish (Clarias gariepinus Burchell 1822) fingerlings. Dutse J. Agric. Food Security, 6: 11-28.
  2. Ayoola, S.O., 2019. Heavy metals concentration and histopathological profile of some commercial fish species at Makoko slum neighbourhood environment, Lagos, Nigeria. Aceh J. Anim. Sci., Vol. 4. .
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  3. Akinwunmi, M.F., A.O. Lawal-Are and S.O. Ayoola, 2019. Food composition, preference and feeding habits of two Caridean species in the interconnecting Lagoons of South-Western Nigeria. Egypt. Acad. Biol. Sci., 11: 77-84.
  4. Omogoriola, H.O., S.O. Ayoola and A.A. Otitoloju, 2018. Comparative study of acute toxicity of three Nigerian crude oils using Oil in Water Dispersion (OWD) method on Clarias gariepinus (African catfish). UJMST., 6: 147-160.
  5. Omogoriola, H.O. and S.O. Ayoola, 2018. Aspect of growth pattern of five fish species of sciaenidae trawled from Nigerian coastal water. Niger. J. Assoc. Niger. Fish. Scient., 1: 22-33.
  6. Omogoriola, H.O. and S.O. Ayoola, 2018. Acute toxicity of some Nigerian crude oils on black jaw tilapia (Sarotherodon melanotheron) Juveniles. Niger. J. Fish., 15: 1349-1359.
  7. Ajagbe, E.F., J.K. Saliu, S.O. Ayoola anhd N.D. Menkiti, 2018. Polychlorinated biphenyl contamination in water and sediment samples in upper river Ogun, Lagos state, Nigeria. Iran. J. Energy Environ., 9: 52-63.
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  8. Omogoriola, H.O. and S.O. Ayoola, 2017. Acute toxicity of Water Accommodated Fractions (WAFs) of three Nigerian crude oils to Clarias gariepinus (Burchell, 1822). Afr. J. Resour. Manage. Fish. Aquatic., 2: 9-20.
  9. Ayoola, S.O., G.T. Olorunsanmi and A.O. Oke, 2017. Comparative assessment of total hydrocarbon content and bioaccumulation of heavy metals in Sarotherodon Melanotheron at Atlas Cove area and Okobaba of Lagos Lagoon. Iran. J. Energy Environ., 8: 152-159.
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  10. Ayoola, S.O. and T.D. Aina, 2017. Seasonal variation of fish species and genotoxic effects as a result of human activities at the Ologe Lagoon, Nigeria. Aceh J. Anim. Sci., 2: 12-22.
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  11. Ayoola, S.O. and R.O. Olaniba, 2017. Toxicological examination of Clarias gariepinus exposed to Lambdacythrin, Nigeria. Niger. J. Life Sci., 7: 39-53.
  12. Ayoola, S.O. and A.A. Bamiro, 2017. Genotoxicity, haematological and growth performance of the African catfish Clarias gariepinus fingerlings fed walnut Tetracarpidium conophorum leaves to substitute for rice bran. Aceh J. Anim. Sci., 2: 64-76.
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  13. Ayoola, S.O., A.O. Osibona and E.F. Ajagbe, 2016. Level of heavy metals and hematological characteristics of African catfish (Clarias gariepinus) from Ogun river. J. Sci. Res. Dev., 16: 1-7.
  14. Ayoola, S.O. and T.O. Agoro, 2016. Accumulation of heavy metals in water, sediment and fish species in Ologe, Lagoon. PAT J., 12: 125-133.
  15. Ayoola, S.O. and I.O. Abdul, 2016. Growth performance and haematological response of Oreochromis niloticus fed varying inclusion levels of Ocimum gratissimum as additive. Afr. J. Resour. Manage. Fish. Aquat., 1: 79-87.
  16. Soyinka, O.O., S.O. Ayoola and G.C. Ugwu, 2015. Haematological and biochemical indices of Sarotherodon melanotheron from a slum neighbourhood environment. J. Aquacult. Eng. Fish. Res., 1: 90-97.
  17. Olugbojo, J.A. and S.O. Ayoola, 2015. Comparative studies of bacteria load in fish species of commercial importance at the aquaculture unit and lagoon front of the University of Lagos. Int. J. Fish. Aquac., 7: 37-46.
  18. Ayoola, S.O. and F.Y. Taoreed, 2015. Heavy metals accumulation in water, sediment and fish (Chrysichthys nigrodigitatus and Sarotherodon melanotheron) at Igbede river, Lagos, Nigeria. Niger. J. Life Sci., 5: 309-324.
  19. Ayoola, S.O. and A.B. Balogun, 2015. Toxicity and histopathological examination of Clarias gariepinus exposed to aqueous and ethanoic extract of Azadiractha indica. UJMST., 3: 73-102.
  20. Ayoola, S.O., S.C. Akagha and K.O. Ezeanyika, 2014. Plasma and enzymatic indices of Chrysichthys nigrodigitatus at the Bariga landing site, Lagos Lagoon. PAT J., 10: 151-163.
  21. Ayoola, S.O., O.E. Akeredolu and E.E. Ahaiwe, 2014. Cytogenetic and heamatological profile of Sarotherodon melanotheron exposed to Carica papaya L. In fish feed as replacement for rice bran. Am.-Eurasian J. Toxicol. Sci., 6: 15-24.
  22. Ayoola, S.O., K.O. Adejumobi and O.H. Adamson, 2014. Haematological indices and enzymatic biomaker of black jaw tilapia (Sarotherodon melanotheron) from Lagos Lagoon. Agrosearch, 14: 62-75.
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  23. Ayoola, S.O., A.A. Idowu, O.E. Babalola and M.K. Ademoye, 2014. Heavy metals accumulation and enzymatic biomarker in commercially important fish species (Hemichromis fasciatus and Chrysichthys nigrodigitatus) at the Landing Site, Bariga, Lagos Lagoon. World Applied Sci. J., 29: 298-306.
  24. Ayoola, S.O. and F.M. Dansu, 2014. The impact of heavy metals on haematological parameters and enzymatic activities in Chrysichthys nigrodigitatus and Pythonichthys macrurus. World Applied Sci. J., 31: 794-800.
  25. Soyinka, O.O., S.O. Ayoola, I.C. Onyema and M.O. Ayeni, 2013. Aspects of the biology and culture trials of cichlids from Lagos Lagoon. J. Sci. Res. Dev., 14: 47-54.
  26. Ayoola, S.O., M.P. Kuton and O.O. Shokefun, 2013. An evaluation of nutritional quality and haematological parameters of moringa (Moringa oleifera) lam leaves in the diet of African catfish (Clarias gariepinus). Agrosearch, 13: 1-15.
  27. Ayoola, S.O., E.K. Ajani and O.F. Fashae, 2013. Effect of probiotics (Lactobacillus and Bifidobacterium) on growth performance and hematological profile of Clarias gariepinus juveniles. World J. Fish Mar. Sci., 5: 1-8.
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  28. Ayoola, S.O. and O.O. Uzoamaka, 2013. Effect of Allium sativum on growth, feed utilization and haematological parameters of Clarias gariepinus Juvenile. Afr. J. Livestock Extension, 12: 1-7.
  29. Ayoola, S.O. and F.O. Adekunbi, 2013. Haematological and serum enzymes biomarkers of heavy metals in Chrysichthys nigrodigitatus and Cynoglossus senegalensis. Afr. J. Livestock Extension, 12: 8-14.
  30. Ogunremi, J.B., S.O. Ayoola, A.O. Kareem and B.T. Adesina, 2012. The willingness of secondary school students to choice of aquaculture as a career in Okitipupa local government area of Ondo State, Nigeria. Continental J. Fish. Aquat. Sci., 6: 45-49.
  31. Kuton M.P., S.O. Ayoola and M.K. Akapo, 2012. Sex reversal of Sarotherodon melanotheron and evaluation of growth performance in fresh water cultured system. World J. Fish Mar. Sci., 4: 165-169.
  32. Ayoola, S.O., M.P. Kuton and S.C. Chukwu, 2012. Comparative study of piscine and non-piscine pituitary extract and ovulin for inducing spawning in catfish (Clarias gariepinus). Afr. J. Food Agric. Nutr. Dev., 12: 6808-6821.
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  33. Ayoola, S.O., B.O. Bassey, C.G. Alimba and E.K. Ajani, 2012. Textile effluent induced genotoxic effects and oxidative stress in Clarias gariepinus. Pak. J. Biol. Sci., 15: 804-812.
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  34. Ayoola, S.O., 2012. Cytotoxicity effect and utilization of Mytilus edulis shell in the diet of Clarias gariepinus. Ibadan J. Agric. Res., 5: 76-82.
  35. Ayoola, S.O. and O.T. Alajabo, 2012. Acute toxicity and histopathological effects of engine oil on Sarotherodon melanotheron. Am.-Eurasian J. Toxicol. Sci., 4: 45-55.
  36. Ayoola, S.O. and M.D. Bello, 2012. Hepatic enzyme profile of black jaw tilapia Sarotherodon melanotheron in relation to water quality in the Lagos Lagoon. Ibadan J. Agric. Res., 5: 84-92.
  37. Ayoola, S.O. and I.A. Maduekwe, 2012. Biochemical and haematological response of Clarias gariepinus (Burchell, 1822) juveniles fed with diet containing mytilus edulis shell at varying level. J. Fish. Aquat. Sci., 7: 468-474.
  38. Ayoola, S.O. and C.O. Akaeze, 2012. Genotoxic and toxicity of spent engine oil on Clarias gariepinus. Res. J. Environ. Toxicol., 6: 133-141.
  39. Ikenweiwe, N.B., A.A. Idowu, S.O. Ayoola and A.O. Davies, 2011. Length-weight relationship of some selected fish species of Lekan-Are Lake, Ogun State, Nigeria. World J. Fish Marine Sci., 3: 403-409.
  40. Idowu, A.A., S.O. Ayoola, A.I. Opele and N.B. Ikenweiwe, 2011. Impact of climate change in Nigeria. Iranica J. Energy Environ., 2: 145-152.
  41. Ayoola, S.O., M.P. Kuton, A.A. Idowu and A.B. Adelekun, 2011. Acute toxicity of Nile Tilapia (Oreochromis niloticus) Juveniles Exposed to Aqueous and Ethanolic Extracts of Ipomoea aquatic leaf. Nature Sci., 9: 91-99.
  42. Ayoola, S.O., 2011. Utilization of compounded feed and poultry hatchery waste in the diet of Clarias gariepinus. Niger. J. Fish., 8: 291-299.
  43. Ayoola, S.O., 2011. Histopathology of Nile Tilapia (Oreochromis niloticus) Juveniles exposed to aqueous and ethanolic extracts of Ipomoea aquatic leaf. Int. J. Fish. Aquac., 3: 244-257.
  44. Ayoola, S.O., 2011. Haematological characteristics of Clarias gariepinus (Buchell, 1822) juveniles fed with poultry hatchery. Iranica J. Energy Environ., 2: 18-23.
  45. Ayoola, S.O., 2011. Acute toxicity and histopathology of Nile Tilapia (Oreochromis niloticus) fingerlings exposed to aqueous and ethanolic extracts of Euphorbia poissonii leaves. New Clues Sci., 1: 55-68.
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  46. Ikenweiwe, N.B., A.A. Idowu and S.O. Ayoola, 2010. Effects of oven and air dried pituitary hormone on the ovulative capacity of gravid Clarias gariepinus. African J. Livestock Extension, 8: 1-3.
  47. Excellence, A.O. and S.O. Ayoola, 2010. Assessment of Aqua-tourism potentials in some fishing sites in bitumen bearing wetlands of Ondo State, Nigeria. Proceedings of the 25thAnnual conference of the Fisheries Society of Nigeria (FISON), October 25th-29th, 2010, Topo-Badagry, Lagos, Nigeria, pp: 114-118.
  48. Excellence, A.O. and S.O. Ayoola, 2010. Assessment of Aqua-tourism potentials in some fishing sites in bitumen bearing Wetlands of Ondo State, Nigeria. World J. Fish Marine Sci., 2: 297-302.
  49. Ayoola, S.O., A.A. Idowu, N.B. Ikenweiwe and E.F. Ajagbe, 2010. Heamatological changes in Clarias gariepinus exposed to Cypermethrin. J. Environ. Extension, 9: 63-71.
  50. Ayoola, S.O., 2010. Sustainable fish production in Africa. Afr. J. Food Agric. Nutr. Dev., 10: 2-5.
  51. Ayoola, S.O., 2010. Modern Fish Farming Techniques (Aquaculture). Glamour Books Publishing Company, Ibadan, ISBN: 978-978-902-353-0, Pages: 180.
  52. Ayoola, S.O., 2010. Impact of Agrochemical Residues from Farming on Fish Resources. LAP LAMBERT Academic Publishing, Germany, ISBN: 978-3-8433-6620-5, Pages: 196.
  53. Ayoola, S.O. and C.E. Abotti, 2010. Morphology of Aba Knife fish (Gymnarchus niloticus) (Cuvier, 1829). World J. Fish Marine Sci., 2: 354-356.
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  54. Ajani, E.K. and S.O. Ayoola, 2010. Acute toxicity of piscicidal plant extracts (Adenia cissampeloides) on Tilapia (Sarotherodon galilaeus) Juveniles. Iranica J. Energy Environ., 1: 246-254.
  55. Aderolu, A.Z., S.O. Ayoola and A.A. Otitoloju, 2010. Effects of Acute and sub-lethal concentrations of actellic on weight changes and haematology parameters of Clarias gariepinus. World J. Biol. Res., 3: 30-39.
  56. Ayoola, S.O., 2009. Relationships of chemical composition, quantity of milt to fertility and hatchability of Clarias gariepinus (burchell, 1822). Afr. J. Food Agric. Nutr. Dev., 9: 1031-1045.
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  57. Ayoola, S.O., 2009. Pollution status and physico-chemical parameters of soil of wetland areas in Oyo State. J. Aqua Field Studies, 4: 58-69.
  58. Ayoola, S.O., 2009. Effect of malachite green concentration on heamatological parameters of the african catfish (Clarias gariepinus). African J. Agric. Res., 57: 53-59.
  59. Ayoola, S.O. and M.P. Kuton, 2009. Seasonal variation in fish distribution and physico-chemical parameters of Lagos Lagoon. African J. Environ. Sci. Technol., 3: 149-156.
  60. Ayoola, S.O. and E.K. Ajani, 2009. Seasonal variation in fish distribution and physico-chemical parameters of wetland areas in Oyo State, Nigeria. Int. J. Biol. Chem. Sci., 3: 107-116.
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  61. Ayoola, S.O. and A.A. Idowu and A.O. Lawal-Are, 2009. Monoculture of fresh water shrimps (Macrobranchium species). Eur. J. Sci. Res., 29: 471-480.
  62. Idowu, A.A., A. Jenyo-Oni and S.O. Ayoola, 2008. Fish resources of Lagoon waters of Ogun waterside Local Government Area, Ogun State, Nigeria. Obeche J., 26: 18-25.
  63. Idowu, A.A. and S.O. Ayoola, 2008. Fish resources and Physico-chemical parameters of Lagoon waters of Ogun waterside Local Government Area, Ogun State, Nigeria. J. Environ. Extension, 7: 56-62.
  64. Ayoola, S.O., 2008. Toxicity of herbicide, glyphosate on Nile tilapia (Oreochromis niloticus) Juvenile. African J. Agric. Res., 3: 825-834.
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  65. Ayoola, S.O., 2008. Histopathological effect of glyphosate on Juvenile African Catfish (Clarias gariepinus). Am. Eurasian J. Agric. Environ. Sci., 4: 362-367.
  66. Ayoola, S.O., 2008. Acute toxicity, behavioural changes and histopathological effect of glyphosate on tissues (Gill, Liver, and Kidney) of Nile Tilapia (Oreochromis niloticus) Juvenile. Obeche J., 26: 96-108.
  67. Ayoola, S.O. and E.K. Ajani, 2008. Histopathological effect of cypermethrin on juvenile african catfish (Clarias gariepinus). World J. Biol. Res., 1: 1-14.
  68. Ayoola, S.O. and A.A. Idowu, 2008. Biotechnology and species development in aquaculture. African J. Biotechnol., 7: 4722-4725.
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  69. Aderolu, A.Z., S.O. Ayoola and K.I. Agwu, 2008. Effects of Acute and sub-lethal concentrations of phostoxin on weight changes and haematology parameters of Clarias gariepinus. J. Environ. Extension, 7: 72-77.
  70. Ayoola, S.O. and E.K. Ajani, 2007. Histopathological effect of cypermethrin on juvenile Nile Tilapia (Oreochromis niloticus). African J. Livestock Extension, 5: 1-13.
  71. Ajani, E.K. and S.O. Ayoola, 2007. The heavy metals in the muscles of some imported frozen fishes in Nigeria. J. Environ. Extension, 6: 1-6.
  72. Ayoola, S.O., 2006. Fish Farming (Aquaculture) a Money-Spinner. Glamour Books Publishing Company, Ibadan, ISBN: 978-978-902-353-0, Pages: 41.