Gadaffi Muhanze Liswaniso





Building 2., Level 2., Seaside, 2204 – WS04


I am from a small town of Katima Mulilo in Namibia, I have worked on molecular microbial ecology and diversity, microalgal biotechnology, Shellfish research and development in Namibia, freshwater fish nutrition, marine biodiversity surveys along the Namibian coastline, ecosystem health status of the Walvis Bay Lagoon, Port biological baseline surveys in Namibia, migrations of recreational fish project – Fish tagging, Ocean acidification effects on reared Pacific oysters, and utilization of beach cast seaweed in agriculture.

Research Interests

Blue carbon, Microbial ecology, eDNA, Fish nutrition, Algal biotechnology


Selected Publications

Climate Change Implications and Mitigation in a Hyperarid Country: A Case of Namibia.

Mupambwa H.A., Hausiku M.K., Namwoonde A.S., Liswaniso G.M., Haulofu M., Mafwila S.K. (2021) In: Leal Filho W., Ogugu N., Adelake L., Ayal D., da Silva I. (eds) 

African Handbook of Climate Change Adaptation. Springer, Cham. 42091-8_225-1 

Futuristic Ocean Acidification levels reduce growth and reproductive viability in the Pacific Oyster (crassostrea gigas)

Omoregie E., Mwatilifange NSI., &Liswaniso GM. (2019).

Journal of Applied Sciences and Environmental Management Vol. 23 (9) 1747 - 1754.

Biogas digestate are not an effective nutrient solution for hydroponic tomato (Lycopersicon esculentum L) production under a deep water culture system

Mupambwa, HA., Namwoonde A., Liswaniso GM., Hausiku MK., & Ravindran B. (2019)

Heliyon (4) 

Analysis of nitrifying microbial community for organic hydroponics

Mowa E, Akundabweni L, Chimwamurombe P and Liswaniso G. (2017) 

African Journal of Microbiology Research.  

Assessment of copper levels along the Namibian marine coastline

Omoregie E, Vellemu EC, Nashima FP, Mudumbi SB, Liswaniso GM and Shimooshili K.(2016).

Journal of Environmental Chemistry and Ecotoxicology.  

Effects of Ocean Acidification: The dissolution, strength, organic content and surface texture of Pacific oysters (Crassostrea gigas) shells under varying acidic levels 

Omoregie E, Garises G, Liswaniso G and Iitembu J. (2016). 

International science and technology Journal of Namibia. Vol. 8 (98-111


PhD student University of Namibia, Marine Geology / Internship, KAUST, Thuwal, Saudi Arabia, 2024

M.Sc., Marine Resources, Ningbo University, Ningbo city, PR China, 2011

Advanced diploma., Microalgal Biotechnology, A4F, Lisbon, Portugal, 2013.

B.Sc., Fisheries and Aquatic Sciences, University of Namibia, Windhoek, Namibia, 2005

Professional Profile

2012 – Present: Mariculture Researcher, University of Namibia, Windhoek, Namibia

KAUST Affiliations

Red Sea Research Center (RSRC)

Biological and Environmental Sciences and Engineering (BESE)