Wijethunga, M.U.I.Epa, U.P.K.2015-03-172015-03-172008Proceeding of the National Symposium on Invasive Alien Speech (IAS), 2008, SLAAS, p.p.103-119http://repository.kln.ac.lk/handle/123456789/5792enFood resource partitioning of accidentally introduced sucker mouth catfish, Pterygoplychthys Multiradiatus with some of the indigenous and intentionally introduced fish species in Sri LankaArticle