DISSERTATION AND THESIS
1. Obasa, S.O. (1982). Length-weight relationship, Food and feeding habit and fecundity of Hemichromis fasciatus in Awba and Eleyele Dams, Ibadan. B.Sc. project, Department of zoology, University of Ibadan, Ibadan. 48pp.

2. Obasa, S.O. (1986). Growth response, blood serum components and yield of the fish Heterotis (Heterotis niloticus) fed varying dietary crude protein levels. M.Sc. Dissertation, Department of Wildlife and Fisheries Management, University of Ibadan, Ibadan. 69pp.

3. Obasa, S.O. (1998). Utilization of soya bean meal in the nutrition of Chrysicthys walkeri (Gunther). Ph.D. Thesis, Department of Wildlife and Fisheries Management, University of Ibadan, Ibadan. 207pp.

JOURNAL ARTICLES
1. Obasa S.O. and Faturoti E.O. (1999) Survival and feed utilization of catfish (Chrysichthys walkeri) fry fed graded crude protein levels. Journal of West African Fisheries. 8, 407- 414.

2. Obasa S.O. and Faturoti E.O. (2001). Dietary Protein requirement of Brackish and water catfish (Chrysichthys walkeri) fingerlings. Aquafield (1): 1-8.

3. Obasa S.O. and Faturoti E.O. (2001). Growth response, blood serum components and yield of the African bony tongue (Heterotis niloticus) fed varying dietary crude protein levels. ASSETS Series A 1(2) 97-104.

4. Alegbeleye W.O., Obasa S.O. and W.O. Abdul (2002). Evaluation of African yam bean (Sphenostylis stenocarpa hoschst ex a, rich) as a replacement for soybean meal in the diets of Nile Tilapia (Oreochromis niloticus) fingerlings. ASSET Series A. 2(2): 73 – 79

5. Obasa S.O.; A.A. Dada and W.O. Alegbeleye (2003). Evaluation of pigeon peas (Cajanus cajan) as a substitute for soya bean meal in the diet of Nile Tilapia (Oreochromis niloticus) fingerlings. Nig. J. Anim. Prod. 30 (2): 265 – 270.

6.Alegbeleye W.O.; Akegbejo- Samsons Y and S.O Obasa (2004). Replacement of groundnut cake with rubber (Hevea brasiliensis) seed cake in diets for Nile Tilapia (Oreochromis niloticus). Journal of Aquatic Sciences 19 (1) 27- 31.

7. Obasa, S.O. (2004). Growth and nutrient nutrient utilization of the brackish water catfish (Chrysichthys walkeri) fry as affected by dietary protein and energy levels. Nig. J. Anim.Prod. 31 (1): 144 – 150.

8. Obasa, S.O. and E.O. Faturoti (2004). Performance and nutrient utilization of the brackish water catfish (Chrysichthys walkeri) fed graded dietary protein and calorie levels. ASSET Series A 4 (1) 35-40..

9. Obasa, S.O., J.O. Afekhowa, W.O. Alegbeleye and T.J. Tolorunju (2004). Growth and nutrient utilization of Nile tilapia (Oreochromis niloticus) fed with mucuna (Mucuna atterima) seed meal. Applied Fisheries and Aquaculture. 4 (1) 37-41.

*10.Alegbeleye, W.O. Odulate, D.O. Obasa, S.O. and F.O.A. George (2005). Potential of toasted Lima bean (Phaseolus lunatus L) as a substitute for full fat soyabean meal in the diets for Oreochromis niloticus fingerlings. Moor Journal of Agricultural Research 6 (2), 92-98.

*11. Obasa, S.O., O. Femi, F.I. Adeosun and D.O. Odulate (2007). Growth response, nutrient utilization and survival of Nile tilapia (Oreochromis niloticus) fed varying levels of chaya leaf (Cnidoscolus chayamansa) meal. ASSET Series A 7 (1): 160-166.. (In Press),

*12. George, F.O.A., Obasa, S. O. and Otubusin, S. O. (2007). Growth response and carcass quality of African catfish (Clarias gariepinus Burchell, 1822) fed multi- enzyme-supplemented soybean meal based diets. Applied Tropical Agriculture. 12 (1): 51-59.

*13. Obasa, S. O. and F. O. A. George (2007). Growth response, nutrient utilization and yield of pond raised brackish water catfish (Chrysicthys walkeri) fed full fat extruded soybean meal based diets. Applied Tropical Agriculture, 12 (2): 73-77.

*14. Akintayo I. A., Obasa S. O., Alegbeleye W. O. and Bangbose A. M. (2008). Evaluation of toasted sunflower (Helianthus annus) seed meal in the diets of African catfish (Clarias gariepinus) fingerlings. Livestock Research for Rural Development 20 (10)

*15.Olude O O, Alegbeleye W O A and Obasa S O. (2008). The use of soaked copra meal as a partial substitute for soybean meal in the diet of Nile tilapia (Oreochromis niloticus) fingerlings. Livestock Research for Rural Development 20 (10)

*16. Ogunremi, J. O. and Obasa, S. O. (2009). Growth and Survival of Clarias
gariepinus Fry Raised on Plankton from Cow Dung and Poultry Manure. PakistanJournal of Nutrition 8 (4): 392-394,

*17. Obasa S.O., Alegbeleye W.O. and Amole J.B. (2009). Dried poultry manure as a substitute for soya bean meal in the diets of catfish Clarias gariepinus (Burchell 1822) advanced fry. Turkish Journal of Fisheries and Aquatic Sciences 9: 121-124.

*18. Obasa, S.O. and Akinyemi, A. A. (2009). The use of full-fat extruded soybean meal as a partial substitute for fish meal in the diet of brackish water catfish Chrysicthys walker fry. Aquafield Vol. 5.(In press)

*19. Obasa, S.O., Olaoye, O.J., Akinyemi, A.A., George, F.O.A., Abdul, W.O. and Odusanya, A.S. (2009). Utilization of poultry hatchery waste meal as a substitute forfish meal in the diet of African mud catfish (Clarias gariepinus) fingerling. Nigerian Journal of Fisheries. Vol. 6 Number 2. (In press).

REFEREED CONFERENCE PROCEEDINGS
1. Faturoti E.O and Obasa, S.O. (1992). Growth response, blood serum components and yield of the fish Heterotis (Heterotis niloticus) fed varying dietary crude protein levels. In Eyo and Balogun (Eds). 5th Annual National Fisheries Society of Nigeria (FISON) Conference proceeding, Abeokuta. 16th -20th Nov. 1992. pp. 87- 94

2. Faturoti E. O., Obasa, S.O. and Bakare A.L. (1998). Growth performance and Nutrient utilization of Clarias gariepinus (Burchell 1822) fed live maggots. In: Otubusin, Ezeri,and Ugwumba (Eds). Proceedings of Nigerian Association for Aquatic Sciences Conference held in University of Agriculture, Abeokuta. Nov. 30th – Dec. 2nd. pp 182 – 189

3. Alegbeleye W.O., Obasa, S.O., Otubusin, S.O. and Ezeri G.N.O. (1998). Partnership for sustainable utilization and conservation of bioderversity: Fishery and protected area. In: Ola-Adams (Ed). BRAAF Seminar Proceedings. Ogun State Afforestation Staff Club, Omo Reserve J4. 9th – 10th December, 1998 pp. 37 – 50.

*4. Obasa, S.O., Olaoye, O.J., Akinyemi, A.A. George F.O.A., Abdul, W.O. and Odusanya, A.S. (2008). Growth response, nutrient utilization and gonadosomatic index of African catfish Clarias gariepinus fingerlings fed poultry hatchery wastes meal based diet. In: (Ayelaagbe, Adetunji and Osei (Eds). Proceedings of the 1st West African Summit and 4th National Conference on Organic Agriculture, 17 – 21 November 2008, University of Agriculture, Abeokuta, Nigeria pp173-179.

*5. Alatise S.P., Obasa S.O. and Omoniyi I.T. (2009). Nutritional value of mango (Mangifera indica) seeds and peels. In: Fagbenro, Bello-Olusoji, Adeparusi, Adebayo, Nwanna, Dada and Olufayo (Eds).Proceeding of the Fisheries Society f ANigeria (FISON) 24th Annual Conference, Federal University of Agriculture, Akure, Nigeria. Oct. 25 – 28, 2009. pp 90-93.

6. Obasa, S.O., Olaoye, O.J., Akinyemi, A.A. George F.O.A., Abdul, W.O. and Odusanya, A.S. (2008). Growth response, nutrient utilization and gonadosomatic index of African catfish Clarias gariepinus fingerlings fed poultry hatchery wastes meal based diet. proceedings of the 1st West African Summit and 4th National Conference on Organic Agriculture, (Ayelaagbe, Adetunji and Osei (Eds.) 173-179. Published by

7. Ayeloja, A. A.; George, F. O. A.; Obasa, S. O.; Sanni, L. O and Ajayi, A .A. (2011). Effect of Length of Delay after Slaughter (LODAS) on Quality of Raw Catfish Clarias gariepinus (Burchell 1822). Proceedings of the Fisheries Society of Nigeria
(FISON) 25th Annual Conference, Ansah,Fashina-Bonbata and Ndimele (Eds) 30-35, Published by FISON.

8. Oladosu-Ajayi, R.N., F.O.A. George, S.O. Obasa and M.O. Bankole (2011). Effects of some plant extractson some biological parameters of catfish, Clarias gariepinus (Burchell 1822). Proceedings of the Fisheries Society of Nigeria (FISON) 25th Annual Conference, Ansah,Fashina-Bonbata and Ndimele (Eds). 470-474, Published by FISON.