Senior Lecturer and Head, Department of Aquaculture Technology, School Of Aquatic Sciences And Fisheries Technology

Bachelor of Science in Fisheries and Aquaculture (Dar), Masters in Aquaculture Nutrition (Stirling), PhD in Zoology, specialized in Aquaculture Nutrition and Environmental Health (Shanghai)


Post graduate courses

AQ: 701 Philosophical Issues and Ethics in Scientific Research

AF 605: Fish Nutrition and Feed Technology,


Undergraduate courses

AQ 341: Feed Production Technology,

AF 208: Fish Nutrition and Feed Technology,

AF 301: Aquaculture Systems,

AF 315: Aquaculture Genetics and Seed Production,

AF 207: Swimming and Snorkeling,

BIO 352: Aquatic Biology (Part time at Muslim University of Morogoro) (2014/2015)

In all courses, lectured and administered examinations and examined all grades.


On-going projects

BlueGRASI - Developing protocols for breeding silver pompano and rabbit fish in captivity in Tanzania and Kenya assessing the performance of silver pompano and rabbit fish.  

Assessment of antibiotic residues in commonly consumed marine fish and potential human health risk along the Tanzanian coast.

Increased Urban Tilapia Farming by Developing Recirculating Aquaculture System (RAS) Technology”.

Benefits and Risks of Antibiotics on Fish (2016 to 2020)

Integrating Agriculture and Aquaculture for Increased Farm Productivity (2012 to 2016)


  1. Dongsheng Zhou, Chengli Wang, Jinxian Zheng, Jianhu Zhao, Shanshan Wei, Yunfeng Xiong, Samwel Mchele Limbu, Youqin Kong, Fang Cao and Zhili Ding (2022). Dietary thiamine modulates carbohydrate metabolism, antioxidant status, and alleviates hypoxia stress in oriental river prawn Macrobrachium nipponense (de Haan). Fish & Shellfish Immunology, 131: 42-53.
  2. Youqin Kong, Zhili Ding, Shanshan Wei, Changle Qi, Yan Liu, Yixiang Zhang, Samwel Mchele Limbu and Jinyun Ye (2022). Dietary magnesium improves growth, antioxidant capacity, ammonia tolerance and intestinal health of juvenile freshwater prawn, Macrobrachium nipponense. Aquaculture, 560: 738557
  3. Yuan Luo, Wen-Hao Zhou, Rui-Xin Li, Samwel Mchele Limbu, Fang Qiao, Li-Qiao Chen, Mei-Ling Zhang, and Zhen-Yu Du (2022). Inhibition of pyruvate dehydrogenase kinase increases carbohydrate utilization in Nile tilapia by regulating PDK2/4-PDHE1α axis and insulin sensitivity. Animal Nutrition, 11: 25 - 37.
  4. Samwel Mchele Limbu, Amon Paul Shoko, Eusebia Ernest Ulotu, Siwema Amran Luvanga, Fridah Mukiri Munyi, John Obedy John, and Mary Adhiambo Opiyo (2022). Black soldier fly (Hermetia illucens, L.) larvae improves growth performance, feed efficiency and economic returns of Nile tilapia (Oreochromis niloticus, L.) fry. Aquaculture, Fish and Fisheries, 2(3): 167-178.
  5. Hua Rong, Fan Lin, Lijun Ning, Kun Wu, Samwel Mchele Limbu, Qingchao Shi, Chuanjie Qin and Xiaobo Wen (2022). The transforming growth factor beta (TGF-β/Smads) pathway regulates collagen synthesis and deposition in swim bladder of Chu's croaker (Nibea coibor) stimulated by proline. Aquaculture, 558:
  6. Yi-Chan Liu, Samwel M. Limbu, Jin-Gang Wang, Jiong Ren, Fang Qiao, Mei-Ling Zhang and Zhen-Yu Du (2022). Dietary L-carnitine alleviates the adverse effects caused by reducing protein and increasing fat contents in juvenile largemouth bass (Micropterus salmoides). Aquaculture Nutrition, 2022: 6288972.
  7. Hua Rong, Fan Lin, Lijun Ning, Kun Wu, Baojia Chen, Jia Zheng, Samwel Mchele Limbu and Xiaobo Wen (2022). Cloning, tissue distribution and mRNA expression analysis of typeIcollagen alpha 1 gene from Chu's croaker (Nibea coibor). Gene, 824: 146441.
  8. Anjelina W. Mwakosya, Samwel Mchele Limbu, Nuria Majaliwa, Xiaobo Zou, Jiyong Shi and Oscar Kibazohi (2022). Aflatoxin B1 variations in animal feeds along the supply chain in Tanzania and its possible reduction by heat treatment. Food and Agricultural Immunology, 33(1): 192-206.
  9. Zhi-Yong Zhang, Samwel M. Limbu, Si-Han Zhao, Li-Qiao Chen, Yuan Luo, Mei-Ling Zhang, Fang Qiao, and Zhen-Yu Du (2022). Dietary L-carnitine supplementation recovers the increased pH and hardness in fillets caused by high-fat diet in Nile tilapia (Oreochromis niloticus), Food Chemistry, 382: 132367.
  10. Wen-Hao Zhou, Chen-Chen Wu, Samwel M. Limbu, Rui-Xin Li, Li-Qiao Chen, Fang Qiao, Yuan Luo, Mei-Ling Zhang, Tao Han and Zhen-Yu Du (2022). More simple more worse: Simple carbohydrate diets cause alterations in glucose and lipid metabolism in Nile tilapia (Oreochromis niloticus). Aquaculture, 550: 128479.
  11. Dahai Gu, Jingying Zhao, Samwel Mchele Limbu, Yunan Liang, Junming Deng, Baoliang Bi, Lingfu Kong, Hui Yan, Xiaowen Wang, Qing Hu, Yu Gao, Dan Jia, and Hua Rong (2022). Arginine supplementation in plant-rich diets affects growth, feed utilization, body composition, blood biochemical indices and gene expressions of the TOR signaling pathway in juvenile Asian red-tailed catfish (Hemibagrus wyckoiides), Journal of the World Aquaculture Society, 53(1): 133–150.
  12. Ding, Z., Xiong, Y., Zheng, J., Zhou, D., Kong, Y., Qi, C., Liu, Y., Ye, J. and Limbu, S.M. (2022). Modulation of growth, antioxidant status, hepatopancreas morphology, and carbohydrate metabolism mediated by alpha-lipoic acid in juvenile freshwater prawns Macrobrachium nipponense under two dietary carbohydrate levels. Aquaculture, 546: 737314.
  13. Kulwa Mtaki, Samwel Mchele Limbu, Aviti John Mmochi and Matern S. P. Mtolera (2022). Hybrids production as a potential method to control prolific breeding in tilapia and adaptation to aquaculture climate-induced drought. Aquaculture and Fisheries, 7(6): 647-652.
  14. Si-Lan Han, Yu-Cheng Qian, Samwel Mchele Limbu, Jing Wang, Li-Qiao Chen, Mei-Ling Zhang and Zhen-Yu Du (2021). Lipolysis and lipophagy play individual and interactive roles in regulating triacylglycerol and cholesterol homeostasis and mitochondrial form in zebrafish. Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids, 1866(9): 158988.
  15. Yu-Cheng Qian, Xue Wang, Jiong Ren, Jie Wang, Samwel Mchele Limbu, Rui-Xin Li, Wen-Hao Zhou, Fang Qiao, Mei-Ling Zhang and Zhen-Yu Du (2021). Different effects of two dietary levels of tea polyphenols on the lipid deposition, immunity and antioxidant capacity of juvenile GIFT tilapia (Oreochromis niloticus) fed a high-fat diet. Aquaculture, 542: 736896.
  16. Muhaji A. Chande, Yunus D. Mgaya, Lusato B. Benno and Samwel M. Limbu (2021). The influence of environmental variables on the abundance and temporal distribution of Octopus cyanea around Mafia Island, Tanzania. Fisheries Research, 241: 105991.
  17. Ling-Yu Li, Yue Wang, Samwel Mchele Limbu, Jia-Min Li, Fang Qiao, Li-Qiao Chen, Mei-Ling Zhang and Zhen-Yu Du (2021). Reduced fatty acid β-oxidation improves glucose catabolism and liver health in Nile tilapia (Oreochromis niloticus) juveniles fed a high-starch diet. Aquaculture, 535 (2021) 736392.
  18. Si-Lan Han, Yan Liu, Samwel M. Limbu, Li-Qiao Chen, Mei-Ling Zhang and Zhen-Yu Du (2021). The reduction of lipid-sourced energy production caused by ATGL inhibition cannot be compensated by activation of HSL, autophagy, and utilization of other nutrients in fish. Fish Physiology and Biochemistry, 47: 173–188.
  19. Samwel Mchele Limbu, Liqiao Chen, Meiling Zhang and Zhen-Yu Du (2021). A global analysis on the systemic effects of antibiotics in cultured fish and their potential human health risk: A review. Reviews in Aquaculture, 13(2): 1015–1059
  20. Hua Rong, Fan Lin, Samwel Mchele Limbu, Zhideng Lin, Baoliang Bi, Tengfei Dou, Lei Zhao and Xiaobo Wen (2020). Effects of dietary proline on swim bladder collagen synthesize and its possible regulation by the TGF-β/Smads pathway in Nibea diacanthus. Aquaculture Nutrition, 26(5): 1792-1805.
  21. Ling-Yu Li, Jia-Min Li, Li-Jun Ning, Dong-Liang Lu, Yuan Luo, Qiang Ma, Samwel Mchele Limbu, Dong-Liang Li, Li-Qiao Chen, Irfan J. Lodhi, Pascal Degrace, Mei-Ling Zhang and Zhen-Yu Du (2020). Mitochondrial fatty acid β-oxidation inhibition promotes carbohydrate catabolism and protein deposition through energy homeostasis remodelling. The Journal of Nutrition, 150(9): 2322