Publications and Presentations

Full paper

• Weerasingha, R.*, Soorasena, W.G.C.U. & Athukorala, D. A. (2017). Utilization of minor cyprinids (Dawkinsia singhala and Puntius chola) from reservoirs as protein sources for feeds of juvenile koi carp (Cyprinus carpio). Sri Lanka Journal of Aquatic Sciences, 22(1), 39–44.
• Weerasingha, R.* and Pahalawaththarachchi, V. (2016). Present status of the coral community in the Bar reef marine sanctuary, Sri Lanka. Sri Lanka Journal of Marine Environment Science, 1,9-16.
• Weerasingha, R.*and Punyadewa, N.B.P.(2017).A possible method to control populations of the highly invasive Pterygoplichthys species in Sri Lankan reservoirs. Invasive Alian Species Symposium 2017, 99-109.
• Weerasingha, R.*, Wickramaarachchi, N., Somasundaram, T., Muhammad Aliyu Sulaiman, M. A. and Dhanushka, M. (2019). Effects of chitosan on growth, immune responses and survival of juvenile tiger shrimp (Penaeus monodon Fabricius, 1798),International Journal of Fisheries and Aquatic Studies, 7(4), 129-133.
• Weerasingha, R., Park, G., Yun,H. H., Lee, D.M., Sung-Gun, K., Jang, I.K.&Bai, S.C.^* (2020).Effects of dietary administration of Macsumsuk® on growth and stress to low salinity and low dissolved oxygen in whiteleg shrimp, Litopenaeus vannamei (Boone, 1931) juveniles. Aquaculture Research, 51, 1061–1068.
• Weerasingha, R., Kamarudin, M.S.*, Karim, M. M. A. & Ismail, M. F. S. (2022). Replacing fish oil with crude palm oil in the diet of larval hybrid lemon fin barb (Barbonymus gonionotus ♀ х Hypsibarbus wetmorei ♂). Aquaculture Reports, 24, 101121.
• Weerasingha, R., Kamarudin, M.S.*, Karim, M. M. A. & Ismail, M. F. S. (2022). Effects of selected dietary plant oils on survival, growth, fatty acid profile, and enzyme activity of a tropical hybrid carp (Barbonymus gonionotus ♀ х Hypsibarbus wetmorei ♂) larvae. Aquaculture Reports, 24, 101181.

Book Chapter

• Weerasingha, R. (2020). Lipid Nutrition of Silver Barb (Barbonymus gonionotus) Larvae, Cyprinidae. In: Sundaray, J. K. and Bhat, R. A. (Eds.), Research Trends in Fisheries and Aquatic Sciences, Volume 08, Pg 71-96. New Delhi: AkiNik Publication.

Conference proceedings (abstracts)

• Weerasingha, R., Atapattu, N.S.B.M.*, Sultanbawa, Y., Medage, S. (2008). A low cost feed for giant sea bass (Lates calcarifer). In: Proceedings of the 14^thannual scientific sessions of Sri Lanka Association of Fisheries and Aquatic Resources (SLAFAR), 22^nd May 2008. Auditorium of National Science Foundation, Colombo 07,16.: SLAFAR.
• Fahim, M.S.M., Weerasingha, R., Kithsiri, H.M.P., Gunawardana, A.*, Colonne, A. (2010). The effect of different Feed treatments on Seabass (Lates calcarifer) on their growth performances in the early growth stage. In: Proceedings of the research symposium 2010, 4^th June 2010. Anuradhapura,27.Rajarata Univesity of Sri Lanka.
• Soorasena, W.G.C.U., Weerasingha, R*, Athukorala, D.A. and Liyanage, N.P.P. (2013) Utilization of untapped reservoir fish species as a protein supplement of juvenile Koi Carp (Cyprinus carpio carpio). In:Proceedings of the National Aquatic Resources Research and Development Agency (NARA) Scientific sessions 2013, 29^th November 2013.Auditorium of National Aquatic Resource Research and Development Agency, Colombo 15, pp. 4: NARA.
• Weerasingha, R.^*,A. & Soorasena,W.G.C.U. (2015). Utilization of Skipjack tuna (SJT) offal (Katsuwonus pelamis) on growth of juvenile koi carp (Cyprinus carpio).In:Proceedings of 2^nd Ruhuna International Science & Technology Conference, 22^nd-23^rd January 2015. Matara, pp.56: University of Ruhuna,
• Weerasingha, R.^*,Athukorala, D. A. & Jinadasa B. K. K. K. (2015).Usage of powdered tank cleaner (Pterygoplichthys padalis) in formulating a fish feed for cage cultured Seabass. In: Proceedings of the 21^st annual scientific sessions of Sri Lanka Association of Fisheries and Aquatic Resources (SLAFAR), 22^nd May 2015. Auditorium of National Aquatic Resource Research and Development Agency, Colombo 15, 24: SLAFAR.
• Weerasingha, R.*,Ajith Kumara, P. A. D., Fahim M. S. M. & Athukorala,D. A. (2015).Utilization of different types of fish silage on the growth of juvenile sea cucumber (Holothuria scabra) (sandfish). In: Proceedings of the National Aquatic Resources Research and Development Agency (NARA) Scientific sessions 2015, 9^th June Auditorium of National Aquatic Resource Research and Development Agency, Colombo 15, pp.32-36: NARA.
• Weerasingha, R. *, Ajith Kumara,P.A.D. and Pahalawaththarachchi, V. (2015) Present status of the coral community in the Bar reef marine sanctuary, Sri Lanka. In: Proceeding of second national symposium on the marine environment. 18^th -19^th November 2015. Colombo 7, 8-9: Sri Lanka foundation Institute
• Athukorala,D.A. *, Weerasingha,R.and Ariyaratne,D.S. (2016) The effects of partial replacement of a commercial fish meal with minor cyprinid fish powder on the growth performance of juvenile Koi carp, Cyprinus carpio. In: Proceedings of the 22^ndannual scientific sessions of Sri Lanka Association of Fisheries and Aquatic Resources (SLAFAR), 20^th May 2016. Auditorium of National Aquatic Resource Research and Development Agency, Colombo 15, 31-32: SLAFAR.
• Weerasingha, R*, Punyadewa, N.B.P.,Pahalawaththarachchi V.and Kithsiri, H.M.P. (2017) Preparation of fishmeal as a possible method to eradicate Pterygoplichthys species (Amazon Sailfin Catfish and Vermiculated Sailfin catfish) from Sri Lankan Reservoirs. In: Proceeding of the National Symposium on Invasive Alien Species 2017. 20^th January 2017. Waters Edge, Battaramulla, 25: Bio Diversity Secretariat.
• Weerasingha, R*and Athukorala,D.A. (2017) Comparison of nutrient levels of fish meal prepared from scavenger fish species (Genus: Pterygoplichthys) with locally produced commercial fish meal. In: Proceedings of the National Aquatic Resources Research and Development Agency (NARA) Scientific sessions 2017. 27^th July Auditorium of National Aquatic Resource Research and Development Agency, Colombo 15, pp. 3: NARA.
• Weerasingha, R.*, Wicramarachchi, N., Somasundaram, T. and Dhanushka, R.M.P. (2018) Use of chitosan as an immunostimulant in juvenile tiger shrimp (Peneous monodon) feeds to resist viral diseases. In: SLCARP International Agricultural Research Symposium 2018.13^th-14^thAugust 2018. Taj Samudra Hotel, Colombo,Pp 118:
• Weerasingha, R.*, Fahim, M. S. M., Ajith Kumara,P. A. D., Kumarasingha,D.R. and Medagedara,C. (2018) Partial replacement of local fish meal by brewers’ yeast (Saccharomyces cerevisiae) in the diets of Sea cucumber (Holothuria scabra) juveniles. In:Proceedings of the InternationalScientific sessions of National Aquatic Resources Research and Development Agency (NARA) 2018. 25^th-26^th July 2018. Auditorium of National Aquatic Resource Research and Development Agency, Colombo 15, 10: NARA.
• Athukorala,D. A. * and Weerasingha, R. (2018) Development of formulated diets for culture of Sea bass (Lates calcarifer, Bloch) juveniles in floating net cages. In:Proceedings of the InternationalScientific sessions of National Aquatic Resources Research and Development Agency (NARA) 2018. 25^th-26^th July 2018. Auditorium of National Aquatic Resource Research and Development Agency, Colombo 15,8: NARA.
• Pahalawattaarachchi,V.*, Dahanayaka, D. D. G. L., Ajith Kumara,P. A. D. and Weerasingha, R.(2018)Variation in growth rates and Carrageenan properties of Kappaphycus alvarezii at commercial culture sites in Killinochchi District.In: SLCARP International Agricultural Research Symposium 2018.13^th-14^th August 2018. Taj Samudra Hotel, Colombo, pp 116: SLCARP.
• Weerasingha, R., Kamarudin, M. S.B.*, Abd Karim, M. M. B. and Ismail, M. F. S. (2020). The sub-lethal concentration (LC₅₀) of Aeromonas hydrophila for hybrid lemon fin barb post-In: M. Bahmani (Eds.), 4^th International Congress of Fisheries and Aquatic Research (eds.).10^th to 12^th November 2020. Tehran: ICFAR.
• Weerasingha,,Kamarudin, M. S. B.*, Abd Karim, M. M. B. and Ismail, M. F. S. (2022). Effects of different dietary lipid levels for hybrid lemon fin barb (Barbonymus gonionotus ♀ × Hypsibarbus wetmorei ♂) larvaeIn:Proceedings of the InternationalScientific sessions of National Aquatic Resources Research and Development Agency (NARA) 2022. 21^st October 2022. Auditorium of National Aquatic Resource Research and Development Agency, Colombo 15, pp. 12: NARA.
• Weerasingha, R., Kamarudin, M. S. B.*, Abd Karim, M. M. B. and Ismail, M. F. S. (2022).Crude palm oil as a fish oil replacer in the diets of hybrid lemon fin barb(Barbonymus gonionotus ♀ × Hypsibarbus wetmorei ♂) In: M. Bahmani (Eds.), 6^th International Congress of Fisheries and Aquatic Research. 16^th to 17^th November 2022. Tehran: ICFAR.

Poster presentation

• Weerasingha, R., Park, G. Yun, H. H., Lee, D.M., Sung-Gun, K., Jang, I. K. and Bai, S. C.^* (2012) Effects of dietary macsumsuk on growth performance and stress tolerance ability of juvenile white leg shrimp (Litopenaeous vannamei) Australasian Aquaculture Conference 2012. April 2012. Melbourne: WAS.

International Proceedings

• Weerasingha,R.(2018) Development of proper management practices for three selected coral reefs of NW coast of Sri Lanka. Follow-up management for KOICA-PKNU scholarship Program. 7^th February 2018. Janbogo leadership hall, Busan, Pp 10: KOICA: Pukyong National University.

Reviewed Papers in Journals

• Effect of Boifloc Technology on Speckled Shrimp Metapenaeus monoceros: small scale study. Aquaculture Studies journal (31.05.2018).
• Effects of α-tocopherol (vitamin E) and ascorbic acid (vitamin C) and their combination on growth, survival and some haematological and immunological parameters of Caspian brown trout, Salmo trutta caspius juveniles. Turkey Journal of Fisheries and Aquatic Sciences (17.02.2016)
• Growth Performance of Clarias Gariepinus fed diets containing Soyabean meal partially replaced by raw Canavalia ensiformis Turkey Journal of Fisheries and Aquatic Sciences (12.04.2016)
• The effects of diets supplemented with Spirulina platensis in different quantities on pigmentationand growth performance of Goldfish (Carassius auratus). Turkey Journal of Fisheries and Aquatic Sciences (25.01.2018)
• Evaluation of lemongrass (Cymbopogoncitrates) as Phyto-additivein the diet of African catfish (Clarias gariepinus) fingerlings. Aquaculture Studies journal (07.04.2018)

Thesis supervised

• Utilization of untapped fish species as a protein supplement in Juvenile Koi carp (Cyprinus carpio carpio) feed (2013) W. G. C.U. Soorasena, Faculty of Animal Science and Export Agriculture, Uwa Wellassa University, Badulla, Sri Lanka.
• Effects of Chitosan on survival and growth performance of Tiger shrimp (Penaeus monodon) (2017) R.M.P Dhanushka, Department of Animal Science, Faculty of Agriculture, University of Peradeniya, Sri Lanka.
• Effects of Brewers’ yeast powder on growth performance of Juvenile Sea cucumber (Holothuria scabra) (2017) Dinuka Kumarasinghe, Department of Animal Science, Faculty of Agriculture, University of Peradeniya, Sri Lanka.

Training programs attended
Foreign training

• Follow-up Management for KOICA-PKNU Scholarship Programin Pukyong National University, Busan, South Korea from 21^stJune 2015 to 4^thJuly 2015. (The action plan which I presented was the best action plan out of twelve selected foreign action plans for fisheries development of their own countries.)
• Training Course on Land-based Aquaculture training program for Asian countries, 2016 from 22^nd June 2016 to 16^th August 2016 in Wuxi, China.
• Follow-up Management for KOICA-PKNU Scholarship Alumni in Pukyong National University, Busan, South Korea,conducted from 20^th January 2018 to 9^th February 2018.
• Webinar on self-producing aquaculture feed technologies for traditional farmers- Insectproduction training and video presentation, 7^th July 2022.
• Online Seminar on Internet of Things Application and Digital Aquaculture for Developing Countries, Aug 18^th Sep 7^th 2022, organized by FFRC, Wuxi, China.

Local trainings

• Training program on “GPS and its Application in Fisheries Research” organized by Association of Resources and Technical Officers (ARTON) of NARA at the main auditorium on 28^th July 2008.
• Open water diver course which was conducted by the college of fisheries and Nautical Engineering, Mattakkuliya from 2^nd February to 7^th April 2009.
• Scientific report writing was conducted by the British Council on the 23^rd and 24^th of April 2010 at NARA mini auditorium.
• Winning proposal writing conducted by youth Scientific forum on September 2016 at SLIDA, Colombo, Sri Lanka.
• Basic Data analysis using SPSS in December 2015 at the Department of Statistics, University of Colombo.

List of workshops attended
Local workshops

• Seminar on Cage Culture of Tilapia and Seabass held in Colombo organized jointly by INFOFISH Malaysia, SLEDB and NAQDA 2007.
• Workshop on “Conservation and coastal resources management” conducted by Marine conservation resources foundation in Kalpitiya in 2008
• Workshop on “Development program of bar reef and other ecosystem conservation and management” organized by Coast Conservation Department in 2009.
• A two-day workshop on “ Human Resources Development through Proper Disciplinary management” was conducted by the Centre for Studies in Disciplinary Management on the 12^th and 13^th of February 2010 at the Grand Oriental Hotel,Colombo 01.
• A few workshops under Fisheries Co-Management were conducted through CIDA/IFAD/FAO NARA Capacity Enhancement Project 2008-2009.
• Statistics for Biological Research on 11^th and 12^th February 2016 at the University of Kelaniya.
• Two-day Workshop on ‘Improving seabass (Lates calcarifer) aquaculture in Sri Lanka through better feed and health management’ under FAO/TCP/SLR/ 3502. 15-16^th December 2014, Pegasus Reef Hotel, Wattala.
• Pre-entry risk assessment workshop (fauna and flora) by Biodiversity Secretariat, under IAS Project, 17-18^th November 2016, PGRC conference room, Gannoruwa
• Pre-entry risk assessment final workshop for preparation of blacklist organized by Biodiversity Secretariat, under IAS Project, 29-30^th March 2017, PGRC conference room, Gannoruwa.
• Workshop on climate finance, 23^rd-24^th November 2022 at Movenpick hotel, Kollupitiya.

International workshops

• KOSOPFF 2011 SEOUL SYMPOSIUM, Korea-South Pacific Fisheries Forum “Measures for Promoting fisheries Cooperation between Korea and South Pacific Islands Countries.” September 30^th 2011, 13:00-18:00, Grand Ballroom, Seoul Kyo Yuk MunHwa Hoekwan, Korea organized by Korea Maritime Institute.
• KOSFAS 2012, Fisheries Research and Development Society of Korea - Western division conference August 30^th 2011, 13:00-18:00, koje Island, Busan, Korea.
• Joint Conference of Fisheries Sciences Association of Korea 2011
• Australasian Aquaculture conference 2012 on 1^st - 4^th May at Melbourne Australia.
• EXPO 2012 YEOSU KOREA, “Our changing ocean: INNOVATION AND OPPORTUNITY”, 29^th September 2011, 10:30 – 17:10, Songdo Convensia/ Sheraton Incheon Hotel sponsored by expo 2012 yeosu Korea, Korea Maritime Institute and Bureau International des Expositions.
• EXPO 2012 Yeosu Korea – FAO International Symposium,”Alleviating Hunger and Poverty: Making a difference with Fish”, 8^th-9^th August 2012, Conference Hall, International Pavilion Block C, Expo 2012 Yeosu Korea. Hosted by FAO, expo 2012 Yeosu Korea and Bureau International des Expositions. Organized by Korea Maritime Institute (KIM).
• Yeosu Declaration Forum,” The Living Ocean and Coast”, 12^th August 2012, 15:00 – 17:30, Expo Hall, Yeosu, Republic Of Korea. Hosted by expo 2012 Yeosu Korea and Bureau International des Expositions. Organized by the Korea Institute of Ocean Science and Technology (KIOST).
• EXPO 2012 Yeosu Korea – UNESCO Youth Forum, ”Voice of Youth for the Living Ocean and Coast”, 12^th August 2012, The MVL Hotel (Euros Hall), Yeosu, Republic of Korea. Hosted by expo 2012 yeosu Korea and Bureau International des Expositions. Organized by Korean National Commission for UNESCO.
• 2011 Joint International Symposium between Pukyong National University and Hiroshima University, “ Proceeding of Marine Science and Technology”, 6^th October 2011, Graduate school of Biosphere Science, Hiroshima University, Japan. Organized by Pukyong National University and Hiroshima University.
• Tourism Universiade 2012, organized by Busan metropolitan city, Tourism Promotion Organization for Asia Pacific Cities and Youngsan university on 24^{th –} 27^th July at Youngsan University, Busan, Republic of Korea.
• International workshop on Follow-up management for KOICA-PKNU scholarship Program, July 2015, Janbogo leadership hall, Pukyong National University, Busan, Korea.
• International workshop on Aquaculture health, Qingdao, Shandong, China 27^th-29^th July 2016.
• International workshop on Follow-up management for KOICA-PKNU Scholarship Program, 7th February 2018, Janbogo leadership hall, Pukyong National University, Busan, Korea.
• The inception workshop on technical assistance in sea cucumber aquaculture and processing, restocking and management of depleted wild resources. 21^st October 2022. Earls Court, Cinnamon Lakeside, Colombo 2.
• Workshop on Climate Adaptation workshop for Fisheries and Aquaculture: FAO funded GCP/ GLO/352/NOR project, 28^th-29^th June 2022 at Movenpick hotel, Colombo 3.
• Workshop on climate finance, 23^rd-24^th November 2022 at Movenpick hotel, Colombo 3.

Obtained grants as the principal scientist

• A grant offered under “Strengthening Capacity to Control the introduction and Spared of Invasive Alien Species (IAS) in Sri Lanka” (funded by GEF / UNDP) - Research Studies2016, to conduct the research study titled ‘Development of a sustainable method to control Pterygoplichthys species (Amazon snailfish catfish and vermiculated snail fin catfish) from Sri Lankan Reservoirs’.

Awards

• Best action plan award offered in the International Workshop on Follow-up management for KOICA-PKNU scholarship Program, July 2015, Janbogo leadership hall, Pukyong National University, Busan, Korea.
• Best action plan award offered in the International Workshop on Follow-up management for KOICA-PKNU Scholarship Program, 7^th February 2018, Janbogo leadership hall, Pukyong National University, Busan, Korea.