Associate Professor, College Of Natural And Applied Sciences

Ph.D. University of Dar es Salaam, Tanzania


Teaching Courses

MD – Year 1  :  Medical Physiology

B.Sc. Year II  :  Vertebrate Anatomy and Physiology I   
   Vertebrate Anatomy and Physiology II

B.Sc. Year III  :  Environmental Physiology
      Endocrinology & Reproductive Physiology
        Experimental Physiology

M.Sc. (Eviron. Sci.) :  Environmental Toxicology & Public Health

M.Sc. (Biol./Educ.) :  Biological Methods and Techniques
      Advanced Physiology

M.Sc. (Applied Zool.)  : Biochemistry
      Reproductive Endocrinology
      Animal Reproductive Physiology
      Physiology and Biochemistry of Nutrition
      Physiology and Environment

M.Sc. (Biochemistry) :  Physiology and Biochemistry of Nutrition

Ph.D.   :  Environmental Toxicology


Current Research Acitivities

Physiological and biochemical effects of endocrine disrupting chemicals in wastewater and food items on animals and to public health.


            Some selected Publications in Peer-reviewed Journals


  1.           Pratap, H. B., Fu, H., Lock, R. A. C., Wendelaar Bonga, S. E. 1989  Effect of

waterborne and dietary cadmium on plasma ions of the teleost Oreochromis

teleost Oreochromis mossambicus at normal and high calcium levels in


  1.    Aquat. Toxicol. 26 : 133  - 150


  1.           Pratap, H. B.  1999  Effects of dietary cadmium on growth and food conversion in

freshwater cichlid Oreochromis urolepis.   J. Aquacult. Tropics. 14(1) : 85 - 91


De Wolf mossambicus in relation to water calcium levels.   Arch. Environ. Contam. Toxicol. 

18 :  568 – 575


  1.           Pratap, H. B., Wendelaar Bonga, S. E.  1990  Effects of waterborne cadmium on

plasma cortisol and glucose in the cichlid fish Oreochromis mossambicus.   Comp.

Biochem. Physiol. 95 C :  313 – 317


  1.           Pratap, H. B., Wendelaar Bonga, S. E.  1993  Effect of waterborne and dietary

cadmium on pavement cells, chloride cells and Na+-K+ ATPase activity in the gills of

  1.           the freshwater, H., Ulomi, S. A., Backeljau, T., Pratap, H. B., Blust, R. (2001) Heavy metal

levels in sediments of four Dar es salaam mangroves : accumulation in and effect on the morphology of the periwinkles Littoraria scabra  Environ. International. 26(4) : 243 – 249


  1.           Pratap, H. B., Wendelaar Bonga, S. E. 2004  Mineral composition and cadmium

accumulation on Oreochromis mossambicus exposed to waterborne cadmium. Bull. Environ. Contam. Toxicol. 72(4) : 741 - 749


  1.           Kruitwagen, G., Hecht, T., Pratap, H. B., Wendelaar Bonga, S. E. (2006) Changes in

morphology and growth of the mudskipper (Periopthalmus argentilineatus) associated with coastal pollution.  Marine Biology 149: 201 – 211


  1.           Lugomela,C., Pratap, H. B., Mgaya, Y. D. (2006) Cynobacteria blooms – A possible

            cause of mass mortality of Lesser Flamingos in Lake Manyara and Lake Big Momela,

  1.   Harmful Algae 5 : 534 - 541


  • ix.          Pratap, H. B., Wendelaar Bonga, S. E. 2007  Calcium homeostasis in low and high

calcium water acclimatized Oreochromis mossambicus exposed to ambient and dietary cadmium.   J. Environ. Biol. 28 (2) : 385 – 393.


  1.           Kruitwagen, G., Nagelkerken, I., Lugendo, B. R., Pratap, H. B., Wendelaar Bonga, S.

            E. (2007) Influence of morphology and amphibious life-style on the feeding ecology

            of the mudskipper Periophthalmus argentilineatus.   J. Fish. Biol. 71 : 39 -52


  1.           Mamboya, F.,  Pratap, H. B., Mtolera, M., Bjork, M. 2007  Accumulation of copper

            and zinc and their effects  on growth and maximum quantum yield of the brown

            macroalgae Padina gymnosporaWestern Indian Ocean J. Mar. Sci. (6)1 : 17-28.


  1.           Pratap, H. B. (2008) Effect of ambient and dietary cadmium on haematological

parameters of Oreochromis mossambicus acclimatized to low and high calcium water.  Clinical Comparative Pathology 17 : 133 - 136


  1.           Kruitwagen, G., Pratap, H. B., Covaci, A., Wendelaar Bonga, S. E. (2008) Status of

pollution in mangrove ecosystems along the coast of Tanzania   Marine Pollution Bulletin 56 : 1022 – 1042


  1.           Matojo, N. D. and Pratap, H. B. 2009  Histopathology of gills and gut of the edible

            cockle Anadara antiquata (Bivalvia: Arcidae) exposed to acute level of

            Ammonium sulfate. International Journal of Integrative Biology  7 (3) : 166 -170.


  1.           Mutagahywa, J., Ijumba, J., Pratap, H. B., Molteni, F., Mugarula, F. E., Magesa S.

            M., Ramsan, M. M., Kafuko, J. M., Nyanza, E. C., Mwaipape, O., Rutta, J. G.,

            Mwalimu, C. D., Ndong, I., Reithinger, R., Thawer, N. G., Ngondi, J. M. 2015. The

            impact of different sprayable surfaces on the effectiveness of indoor residual spraying

            using a micro encapsulated formulation of lambda-cyhalothrin against Anopheles

            gambiae s.s.  Parasites & Vectors 8 (203) : 1 – 7 


  1.           Pratap, H. B. 2016  Haematological Responses and Growth of African Freshwater  

Cichlids Oreochromis niloticus Exposed to Ambient Inorganic Mercury. International Journal of Zoological Investigations Vol. 2, No. 1, 09-16.

( ISSN: 2454-3055)