Office Address
Department of Oceanography and Marine Geology
Faculty of Fisheries and Marine Sciences & Technology
University of Ruhuna
Wellamadama
Matara (81000)
Sri Lanka
E-mail Address
gayanit@fmst.ruh.ac.lk
Phone
+94(0) 41 22 27 026 Ext 5109
Administrative Positions
Member of the Editorial Board of the Journal of University of Ruhuna
Member of the Technology Transfer cell of the Faculty of Fisheries and Marine Sciences & Technology
Member of the Library Committee of the Faculty of Fisheries and Marine Sciences & Technology
Member of the Diving Unit Committee of the Faculty of Fisheries and Marine Sciences & Technology
Member of the Quality Assurance Cell of the Faculty of Fisheries and Marine Sciences & Technology
Member of the Grievances Handling Committee of the Faculty of Fisheries and Marine Sciences & Technology
Faculty Coordinator for the, University Academic Sessions and Vice Chancellors Awards 2021
Teaching Courses
Earth history, origin and evolution
Biological Oceanography
Marine Biology Flora
Marine Biology Fauna
Marine and Coastal Ecosystems
Climate Change and Oceans
Research Interest
Marine Biology
Marine ecology (Plant herbivore interactions)
Marine Invertebrate taxonomy
Ocean acidification
Publications
Full Papers in refereed journal
Thilakarathna, R.M.G.N., van Keulen, M. and Keesing, J.K. (2022) The sea urchin Centrostephanus tenuispinus (Clark, 1914) is an important bio-eroder on a high latitude (320 S) coral reef. Marine Biology. 169 (86). https://doi.org/10.1007/s0027-022-04070-7.
Thilakarathne, E.P.D.N., Terney Pradeep, K.P.B. and Thilakarathna, R.M.G.N., (2015) Diversity and distribution of cetaceans off southern coast of Sri Lanka I; Relationship with depth. Sri Lanka Journal of Aquatic Sciences.20(1).23-33.
Thilakarathne, E.P.D.N., Terney Pradeep, K.P.B. and Thilakarathna, R.M.G.N., (2015) Diversity and distribution of cetaceans off southern coast of Sri Lanka II; Relationship with Sea surface temperature, Salinity and Water Density. Sri Lanka Journal of Aquatic Sciences.20(1).35-45.
De Croos, M.D.S.T, Pálsson S and Thilakarathna, R.M.G.N. (2011) Sex ratios, sexual maturity, fecundity and spawning seasonality of Metapenaeus dobsoni off the western coastal waters of Sri Lanka. Invertebrate Reproduction and Development. 55: 110-123.
Some selected Conference presentations
Thilakarathna, R.M.G.N. (2021) Feeding Preference of Sea urchin Tripneustes gratilla in
Ahangama Rocky Shore, Southern Coast of Sri Lanka during Southwest Monsoon. Proceedings of the 18th Ruhuna University Academic Sessions,44p
Rathnamali G.B.M., Thilakarathna,
R.M.G.N., and Premarathne U. (2020) Diversity and spatial distribution of seaweed
and seagrass communities in Ahangama rocky shore in the northeast monsoon.
Proceedings of the 26th Annual Sessions
of the Sri Lanka Association for Fisheries and Aquatic Resources.28p
Thilakarathna, R.M.G.N., Van Keulen, M. and Keesing, J. (2018) Status of Sea urchin Centrostephanus tenuispinus; Coral dominated reef vs macroalgae dominated reef on the west coast of Australais- International Echinoderm Conference, Nagoya,Japan.
Thilakarathna, R.M.G.N., Van Keulen, M. and Keesing, J. (2016) Role of Sea urchin Centrostephanus tenuispinus (Clark, 1914) as a bio-eroder- in Hall Bank (32° 2.002´S and 115° 42.957´E) Reef Western Australia”- International Coral Reef Symposium, Hawaii, USA
De Croos, M.D.ST., Weerasekara, K.A.W.S., Hettige, H.D., Thilakarathna, R.M.G.N., Priyadarshan, R.N., De Silva, L.L.R.B. and Gunasekara, K.A.U.S. (2014) Ballast water: availability of non-indigenous species and degree of management practices compliance by the ships arrived at the Colombo port Sri Lanka. Proceedings of the 20th Annual Sessions of the Sri Lanka Association for Fisheries and Aquatic Resources.11p
Thilakarathne, E.P.D.N., Terney Pradeep, K.P.B. and Thilakarathna, R.M.G.N., (2013) Diversity and distribution pattern of cetaceans in the southern coast of Sri Lanka. Proceedings of the 19th Annual Sessions of the Sri Lanka Association for Fisheries and Aquatic Resources.32p
Thilakarathna, R.M.G.N., Jayakody, S. and Amarasinghe M.D. (2012) Annual fluctuations in populations of sea urchin Stomopneustes variolaris (Lamarck, 1816) in two rocky shores of southern Sri Lanka. Proceedings of the 18th Annual Sessions of the Sri Lanka Association for Fisheries and Aquatic Resources.1p
Thilakarathna, R.M.G.N., Jayakody, S. and Amarasinghe M.D. (2011) A comparison of reproductive biology of the sea urchin Stomopneustes variolaris (Lamarck, 1816) in two rocky shores of Sri Lanka. Proceedings of the 17th Annual Sessions of the Sri Lanka Association for Fisheries and Aquatic Resources.17p.
Thilakarathna, R.M.G.N., Jayakody, S. and Amarasinghe M.D.(2010) Fluctuations of sea urchins (Class: Echnoidea) in Hikkaduwa (protected but highly disturbed) and Ahangama (unprotected and less disturbed) in Sri Lanka with macro algae cover. 11th Student Conference on Conservation Science, University of Cambridge, UK.47p.
Thilakarathna, R.M.G.N., Jayakody, S. and Amarasinghe M.D.(2009) Spatio-temporal Variations of Sea Urchin Populations (Phylum: Echinodermata; Class: Echinoidea) in Two Rocky beaches with Varying Levels of Protection.10th International Congress on Ecology, Brisbane, Australia.
Thilakarathna, R.M.G.N. and Jayakody, S. (2008) A Study on Identification and Distribution of Sea Urchins (Phylum: Echinodermata, Class: Echinoidea) in Coastal Zone of Sri Lanka. 9th Student Conference on Conservation Science, University of Cambridge, UK.57p.
Thilakarathna, R.M.G.N. and Santiapillai, C. (2007) Diversity, annual and diurnal fluctuations of birds associated with a seasonal reservoir in dry zone lowlands of Sri Lanka. Proceedings of British Ecological society, UK,46p.
Awards
.....................
Grants
Ruhuna University Research Grant 2021
Ruhuna University Research Grant 2011 - “Diversity of Ophiuroids in southern coast of Sri Lanka” (Co-investigator)
Competitive Research Grant Scheme National Science Foundation (NSF) Sri Lanka- “Preparation of a national collection and evaluation of the current distribution and species diversity of regular and irregular echinoids (Class: Echinoidea Phylum: Echinodermata) in Sri Lanka and determining the diet composition of Stomopneustes variolaris”(Co-investigator)-2011
National Services
2019
Member of a survey to determine Invasiveness of Marine Alien Species in Colombo and Galle harbours with effect from August 2019
2012 - 2013
Served as the Joint Secretary of the Sri Lanka Association for Fisheries and Aquatic Resources (SLAFAR)
Latest News
UoR Highlights 2024
UoR Highlights 2024 - University of Ruhuna , Sri Lanka
A series of workshop on ornamental fish industry jointly organized by the Sri Lanka Export Development Board,
Sri Lanka universities, The Association of tropical ornamental fish
exporters and Sri Lanka fish farmers association.
" National centre of excellence for fisheries and marine sciences "
OUR VISION
To be the centre of excellence for Fisheries Science, Marine Science and Water Technology education and research in Sri Lanka.
OUR MISSION
To produce outstanding, internationally accredited graduates in the fields of Fisheries, Aquaculture, Limnology, Water Technology, Oceanography and Marine Geology.
OUR VISION
To be the centre of excellence for Fisheries Science, Marine Science and Water Technology education and research in Sri Lanka.
OUR MISSION
To produce outstanding, internationally accredited graduates in the fields of Fisheries, Aquaculture, Limnology, Water Technology, Oceanography and Marine Geology.
To me,FMST is the ideal place to study about the Marine Sciences in Sri Lanka.FMST helped me grow and excel
as a student,all the while nurturing my love for the ocean, backed by some of the best academics in this field.
S K Edirisinghe
Being selected as a student of FMST is the major turning point in my life. Within the premises of FMST,
I was provided with myriads of opportunities to explore new horizons and to build up my personality.
This is the perfect place to grab the knowledge about Fisheries and Marine Sciences.
All academics & extracurricular activities not only widened my knowledge, but also heightened my passion for my future career.
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