• Promotion of sustainable, export-oriented shrimp Penaeus monodon culture by disease prevention compliance to food safety regulation – awarded in 2018.

• Epa, U. P. K. and M. Hettiarachchi (1998). Production performance and status of health of black tiger prawn Penaeus monodon (Fabricius) subsequent to the first outbreak of systemic ectodermal mesodermal baculo virus (SEMBV) in a commercial farm in Sri Lanka. Sri Lanka Journal of aquatic Science. 4: 41-49pp.
• Pathiratne, A., Epa U. P. K. and Jayasinghe J. M. P. K. (2002) Hematological changes in snakeskin gourami, Trichogaster pectoralis affected by epizootic ulcerative syndrome. In: Diseases in Asian Aquaculture IV. (Eds. C. R. Lavilla Pitago and E. R. Cruz-Lacierda). Fish Health Section, Asian Fisheries Society, Manila. 407 - 413pp.
• Epa, U. K. (2006). Alien Invasive Snail, Pomacea spp. in Sri Lanka. In: Global advances in ecology and management of Golden Apple Snails (Ed. R. C. Joshi and L. S. Sebastian). Nueva Ecija, Philippine Rice Research Institute. 319 – 324 pp.
• EPA, U.P.K., J.S. Wijeyaratne and S.S. De Silva (2007). A Comparison of Proximate Composition and water Stability of three selected shrimp feeds used in Sri Lanka. Asian Fisheries Science 20 (2007):7-22
• Wijethunga, M. U. I. and P. K. Epa (2008). Food resource partitioning of accidentally introduced, Pterygoplychthys multiradiatus (Sucker mouth cat fish) with some of the alien and indigenous fish species in Sri Lanka. Proceedings of National Symposium on Invasive Alien Species (IAS 2008). Sri Lanka Association of Advancement of Science, National Science Foundation. 103 - 120pp.
• D. T. Perera and U. P. K. Epa (2008). Habitat characteristics and some population parameters of an invasive alien mollusk, Pomacea diffusa Golden apple snail in Western province, Sri Lanka (IAS 2008). Proceedings of National Symposium on Invasive Alien Species. Sri Lanka Association of Advancement of Science, National Science Foundation. 84 – 102pp.
• Epa, U.P.K. and Wijeyaratne, M.J.S. (2008). Should shrimp culture be blamed? The interactions of diverse natural resources utilization in shrimp culture. Journal of Faculty of Science, University of Kelaniya, Sri Lanka. 4: 21-35
• V.S.L. Gunawardena, U. P. K. Epa and M. Hettiarachchi (2009) Potential of mangrove wetlands as biofilters to treat shrimp pond effluents: A preliminary study in the north western Sri Lanka. In: Water Resources Research In Sri Lanka. (Eds. N.D.K. Dayawansa, S. Pathmarajah and M.I.M. Mowjood). Geo-Informatics Society Sri Lanka (GISSL) and Cap-Net Sri Lanka. 11-19pp.
• P. K. Epa (2009) Brackishwater shrimp farming in Sri Lanka: Sustainability and future prospects. In: Golden Jubilee Commemoration Volume of the University of Kelaniya, Sri Lanka (Ed: K. Kumarasinghe). Research and Publication Committee, University of Kelaniya. 48 – 59pp.
• P. K. Epa and T. W. J. T. De Silva (2011) A study on diversity and shell utilization of Hermit crabs (Families Coenobitidae and Diogenidae) in the Western coast of Sri Lanka. Proceedings of National Mini Symposium on Bioindicators of Environment Health and Biodiversity Indices. Organized by The Environment Committee of The Sri Lanka Association for the advancement of Science (SLAAS). 62-70pp.
• P.K. Epa (2013) Responsible use of feed resources for sustainable coastal aquaculture: Two case studies to improve on farm feed management in Sri Lanka. In the proceedings of the 2^nd Sri Lankan Roundtable on Sustainable Consumption & Production. 21-22 February 2013, Hotel Galadari, Colombo. 231-241pp.
• P. K. Epa (2014) Aquaculture and aquarium industries as sources of invasive species in aquatic eco systems in Sri Lanka. National Symposium on Invasive Alien Species. Organized by GEF/UNDP IAS Project, Ministry of Environment and Renewable Energy and Department of Botany, University of Kelaniya. 27.11.2014. At Foundation Institute, Colombo. 42-54.
• P. K. Epa (2015) Invasive alien fish species: Status, concerns and management in Sri Lanka. Proceedings of the 71^st Annual sessions of Sri Lanka Association of Advancement of Science (SLAAS) Part II – Inaugural Presidential Addresses. 04^th December 2015. 33-40.
• C.L. Zoysa & U. P. K. Epa (2016) Comparative feeding ecology of two fish species bluestripe herring, Herklotsichthys quadrimaculatus Ruppel (Clupeidae) and big eye scad, Selar crumenophthalmus Bloch (Clupeidae) caught in the stilt fishery in southern Sri Lanka. International Journal of Fisheries and Aquatic Studies. 4(2): 421-426.
• P. K. Epa & C. R. W. C. Mohotti (2016) Impact of fishing with Tephrosia candida (Fabaceae) on diversity and abundance of fish in the streams at the boundary of Sinharaja Man and Biosphere Forest Reserve, Sri Lanka. International Journal of Tropical Biology and Conservation/ Revista de Biología Tropical. 64 (3) 1129-1141.
• R.W.C. Mohotti and U.P.K. Epa (2016) Toxicity of aqueous extract of white hoary pea, Tephrosia candida (Papilionoideae) on Nile tilapia, Oreochromis niloticus (Cichlidae) fingerlings. Sri Lanka Journal of Aquatic Science. 21 (2): 105-112.
• W.J.T De Silva, U. P. K. Epa and C. R. W. C. Mohotti (2016) The impact of three exotic fish species on the survival of freshwater shrimp Caridina simony (Atyidae) under laboratory conditions. Kalyani Journal of University of Kelaniya. XXXI (01): 45-57.
• U.P.K. Epa and A.S. Premaratne (2023) Use of Ethanol (95%) Extract of Anacardium occidentale (Linnaeus 1753) Apple to Control Centrocestus formosanus (Nishigori 1924) Infection in Xiphophorus hellerii (Heckel 1848). International Journal of Aquatic Biology-In press.

• National Science Foundation (Sri Lanka), Research Grant – 2003
• National Science Foundation (Sri Lanka), Research Grant – 2006
• Centre for Agricultural Research & Policy (CARP), Research Grant - 2012
• Promotion of sustainable, export-oriented shrimp (Penaeus monodon) culture by disease prevention compliance with food safety regulations
  Grant Number:  HETC QIG Window 3 for Faculty of Science, University of Kelaniya Year of award: 2012
• Potential use of biodegradable nanoparticles to deliver recombinant protein vaccine in shrimp model to control white spot syndrome virus
  Grant Number:   INDO-SRI LANKA JOINT RESEARCH PROGRAMME MTR/TRD/AGR/3/1/5    Year of award: 2013

• C.L. Zoyza (2008-2010)
• P. Vithanage (2020 onwards)

• Spatial and temporal variations of water quality, fish species and associate vegetation of villu ecosystems in the Wilpattu National Park
• Pollution impact on Hamilton canal and Dutch canal in Muthurajawela Area
• Assessment of true fishing time and effectiveness of main fishing gear used for tropical tuna fishery: A study on use of logbook data and VMS data in the multiday fishery of Sri Lanka
• Assessment of catch rates, species composition and reproductive biology of flotsam-associated fishes caught by ring nets: A study on the southwest coast of Sri Lanka, Beruwala

• M. Dimuthu Nilmini Wijeyaratne, Uditha Prabhath Liyanage. 2021. Macrobenthos-based RBP II (Rapid Bioassessment Protocol II) as a tool to assess the sediment and water quality in a treated textile effluent receiving stream ecosystem associated with a wetland marsh: A case study from Sri Lanka. Lakes and Reservoirs, Science Policy and Management. Volume 26, Issue 4. First Published: 17th October 2021. https://doi.org/10.1111/lre.12382
• M. Dimuthu Nilmini Wijeyaratne, Pawani Madhushani Liyanage, Development of allometric equations to estimate the stem carbon content of Lumnitzera racemosa and Avicennia marina in a tropical mangrove ecosystem: A novel non-destructive approach. Acta Ecologica Sinica, 2021, in Press Available online: 27 August 2021. https://doi.org/10.1016/j.chnaes.2021.08.012
• Wijeyaratne, W.M.D.N. and Kumari, E.A.C.S. Heavy metal concentrations in the edible portions of Centella asiatica: Health risk toward chronic kidney disease of uncertain etiology. SN Appl. Sci. 3, 658 (2021). https://doi.org/10.1007/s42452-021-04666-6
• M. Dimuthu Nilmini Wijeyaratne and E. A. Charuni Sewwandi Kumari, 2021. Cadmium, Chromium, and Lead Uptake Associated Health Risk Assessment of Alternanthera sessilis: A Commonly Consumed Green Leafy Vegetable. Journal of Toxicology, vol. 202,  Article ID:  9936254, 7 pages. https://doi.org/10.1155/2021/9936254
• Dimuthu Wijeyaratne and Aravinda Bellanthudawa. 2020. Macrophytes as indicators of the ecological status of a tropical rehabilitated wetland ecosystem: Application of multivariate statistics and Ecological State Macrophyte Index (ESMI). International Journal of Aquatic Biology. 8(6): 434-446. DOI: https://doi.org/10.22034/ijab.v8i6.675

• M. Dimuthu Nilmini Wijeyaratne and D.B.M. Nanayakkara. 2020. Monitoring of water quality variation trends in a tropical urban wetland system located within a Ramsar wetland city: A GIS and phytoplankton based assessment. Environmental Nanotechnology, Monitoring & Management. 14: https://doi.org/10.1016/j.enmm.2020.100323
• M. Dimuthu Nilmini Wijeyaratne and P. G. Minola Udayangani Wickramasinghe, 2020. Chromosomal Abnormalities in Allium cepa Induced by Treated Textile Effluents: Spatial and Temporal Variations. Journal of Toxicology, vol. 2020,  Article ID 8814196, 10 pages. https://doi.org/10.1155/2020/8814196
• M. Dimuthu Nilmini Wijeyaratne and P. G. Minola Udayangani Wickramasinghe, 2020. Treated Textile Effluents: Cytotoxic and Genotoxic Effects in the Natural Aquatic Environment. Bulletin of Environmental Contamination and Toxicology, 104, 245–252 (2020).
• M. Dimuthu Nilmini Wijeyaratne and P. M. Liyanage, 2020. Allometric Modelling of the Stem Carbon Content of Rhizophora mucronata in a Tropical Mangrove Ecosystem. International Journal of forestry Research. Volume 2020, Article ID 8849413, 6 pages.
• M. Dimuthu Nilmini Wijeyaratne and M. Shanthamareen, 2020. Efficacy of Terminalia arjuna mature leaf powder and Phyllanthus emblica bark powder to reduce nitrate: N and total hardness in groundwater in karstifed limestone aquifer. Applied Water Science. 10:212.

• IFS-I-3-E-6048-I - Research grant from the international Foundation for Science; Project title: Assessment of heavy metal concentrations in the edible parts of commonly consumed green leafy vegetables in chronic kidney disease of uncertain etiology (CKDue) prevalent and absent areas in Sri Lanka. Project period: June 2019-May 2020.

• NRC12-005: Research grant from the National Research Council of Sri Lanka; Project title: multi –element fingerprinting and quantification of the pollution status of the Bolgoda Lake sediments. Project period: December 2012- December 2014.

Ms. Dulka Rajapaksha: MPhil

Mr. Loshitha Randeera: MSc

Ms. Geethamali Chandrasiri: MSc

Ms. Prashani Madushika: MSc

• Kodituwakku, K.A.R.K., Yatawara, M. 2020. Phytoremediation of Industrial Sewage Sludge with Eichhornia crassipes, Salvinia molesta and Pistia stratiotes in Batch Fed Free Water Flow Constructed Wetlands. Bull Environ Contam Toxicol 104, 627–633 . https://doi.org/10.1007/s00128-020-02805-0

   

  Perera, K.R.S, Mangala Yatawara, 2021. Phytoremediation of partially treated MSW leachate by selected free floating and emergent macrophytes in subsurface vertical flow constructed wetlands, Environmental Technology & Innovation, 24,101928,ISSN 2352-1864, https://doi.org/10.1016/j.eti.2021.101928.

• NRC 15-147

Present-

PhD

Kasunthi Amarasekara- Structure, biodiversity and ecological significance of the coastal sand dunes                                complex at the Manalkaadu, Jaffna peninsula

MSc

1. Aranraj- Comparative Study on Determination of Water Quality Using Physicochemical Parameters and Macro invertebrates of the two different ponds located in Jaffna

Damindi Madduma- Assessment of feeding patterns of goldfish (Carassius auratus) under captive                                        conditions for optimum larvae production.

K.G.Menaka Sandamali- Assessment of Microbial quality of Ice and Source Water used for the                                       Preservation of Fish Quality in the Southern Province of Sri Lanka

Past-

MPhil-

Rasanjalee Kodithuwakku-

Assessment of efficacy of floating macrophytes Eichhornia crassipes (mart.) solms., Salvinia molesta mitch. and Pistia stratiotes l. in controlling nutrient content and heavy metal levels in sludge from a common waste water treatment plant in Sri Lanka.

MSc-

Rangika Perera-

Potential use of selected macrophytes based continuous flow constructed wetlands in improving water quality and remediating nutrients

• Structure, biodiversity and ecological significance of the coastal sand dune complex at the Manalkaad, Jaffna peninsula
• Assessment of true fishing time and effectiveness of main fishing gear used for tropical tuna fishery: A study on use of logbook data and VMS data in the multiday fishery of Sri Lanka
• Assessment of catch rates, species composition and reproductive biology of flotsam-associated fishes caught by ring nets: A study on the southwest coast of Sri Lanka, Beruwala
• Current Status of Mobulid Fisheries, Products, and Trade Channels in Sri Lanka: Insights from Local Fishers’ and Traders’ Knowledge
• Assessment of water quality, plankton and benthic macro-invertebrates diversity  in relation to relative reservoir water level  fluctuations and fish yield ; study in Magalla reservoir, Sri Lanka.
• Assessment of Quality, Present Status and Livelihoods of Troll Fishery and Gillnet Fishery; A Study in  Dehiwala FI Division of Sri Lanka
• Length-weight Relationships and Size at Maturity of Batoids to validity Gill-Oxygen Limitation Theory (GOLT)

• A. C. C. Perera and L. M. R. Lakpriya (2022). Biological and fishery aspects of the devil rays; a case study from Negombo fish harbour, Sri Lanka. J. Mar. Biol. Ass. India, 64 (2), doi:10.6024/jmbai.2022.64.2.2280-15
  
  
• Perera, H.A.C.C., Zhang, T., Yuan, J., Ye, S., Guo, C. and Liu, J., 2022. Length weight relationships of fish species collected after impoundment of the Three Gorges Reservoir (TGR) in China; a study carried out in the upper Yangtze River. Sri Lanka Journal of Aquatic Sciences, 27(1), pp.65–73. DOI: http://doi.org/10.4038/sljas.v27i1.7597
  
  
• S S K Haputhantri, K H K Bandaranayake, M I G Rathnasuriya, K G S Nirbadha, S J W W M M P Weerasekera, A A S H Athukoorala, R A M Jayathilaka, H A C C Perera and S Creech. 2022. Reproductive Biology and Feeding Ecology of The Blue Swimming Crab (Portunus pelagicus) in Northern Coastal Waters, Sri Lanka. 2022. Tropical Life Sciences Research, 33(2), 155–178, 2022.  https://doi.org/10.21315/tlsr2022.33.2.8
  
  
• H. A. C. C. Perera and S. W. Wickramage. 2021. Feeding Ecology of Sri Lankan Blue Swimming Crab (Portunus pelagicus) Caught in Negombo Coastal Waters. Department of Zoology and Environmental Management, Faculty of Science, University of Kelaniya, Kelaniya, GQ - 11600, Sri Lanka. J. Indian Soc. Coastal Agric. Res. 39(2): 161-171 (2021) https://doi.org/10.54894/JISCAR.39.2.2021.110565
  
  
• H. A. C. C. Perera and R. A. M. Jayathilake 2020. Species composition of Batoids in a coastal gillnet fishery operated in the northern coastal waters of Sri Lanka. doi:10.6024/jmbai.2021.63.1.2217-13:10. J. Mar. Biol. Ass. India, 63 (1), January-June 2021

Current Research Students

Ms. Kasunthi Amarasekara: PhD
Ms. Geethamali Chandrasiri: MSc
Ms. Prashani Madushika: MSc
Ms. Buddhi Pathirana: MSc
Mr. W. Sahan Thilakaratne: MSc
Ms. Pavithra Sewwandi: MSc
Ms. Manohari Abeysinghe: MSc


Past Research Students

Ms. G.A.I.K. Gamaarachchi
Ms. E.G.T.P. Wijesinghe
Mr. R.A.N. Dharmawardene
Ms. M.K. Wanniarachchige
Ms. P. A. S. A. Weerasiri
Mr LMR Lakpriya
Ms S. Wickramage
Ms.S. Karunanayake
Ms HB Ratnayake
Ms G.Anita- MSc
Ms. Damindi Madduma- Msc
Ms. KGM Prabhani- MSc
Mr. U. Hettiarachchi- MSc
Ms. D.R. Herath - PhD

L.H.Kankanamge -Survivability, Trends, and Status of Sea Turtle Species Found in Sri Lanka

W.K. Rasanjali-Assessment of fish stocking on yield in selected reservoirs in Sri Lanka

Analysis of survivability, trends, and status of sea turtle species found in Sri Lanka
Kankanamge L.H., Premarathne L.P.N.D, Perera H.A.C.C., Perera, K.D.H., Zoysa C.D.D.,

10th Ruhuna International Science and Technology Conference