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Results 31-40 of 60 (Search time: 0.003 seconds).
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Issue DateTitleAuthor(s)
1998A comparative study of the morphometrics, gill rakers and food of a stunned and a non-stunned populations of Oreochromis mossambicus (Peters) from Colombo (Beira) lake and Udawalawe reservoirEpa, U.P.K.; Costa, H.H.
1988Hydrobiology and fish production potential of major freshwater reservoirs in Hambantota districtDaniel, D.J.; Costa, H.H.; Wijeyaratne, M.J.S.
1987The food, feeding and reproduction in an estuarine population of green-back Mullet, Liza Tade (Forsskal) in the Negombo lagoon, Sri LankaWijeyaratne, M.J.S.; Costa, H.H.
2004The Limnology of Ihalagama wewa, a minor perennial reservoir in the wet zone of Sri Lanka , with special reference to the production of Oreochromis mossambicus and Etroplus suratensisCosta, H.H.; Wanninayaka, T.B.; Wijeyaratne, M.J.S.
1988Trypanosoma cruzi: Advantages of isolating bloodstream trypomastigotes by the carboxy methyl cellulose methodde Silva, A.M.M.; Costa, H.H.; Takehara, H.A.; Mota, I.
1980The Effects of Some Heavy Metal Pollutants on the Heart Beat of Gammarus Pulex (L.)Costa, H.H.
1967Responses of Gammarus pulex (L.) to Modified Environment II. Reactions to Abnormal Hydrogen Ion ConcentrationsCosta, H.H.
1980Results of the Austrian Hydrobiological Mission, 1974, to the Seychelles-, Comores- and Mascarene-Archipelagos: Part III: The Ecology and the Distribution of Decapoda Caridea in the Indian Ocean Islands of Seychelles, Mauritius, Comores & RéunionCosta, H.H.
1984Results of the Austrian-Indian Hydrobiological Mission 1976 to the Andaman-Islands: Part V: Taxonomy and Ecology of the Decapoda-CarideaCosta, H.H.
1986On the biology of an estuarine population of grey mullet Mugil cephalus L. in Negombo lagoon Sri LankaWijeyaratne, M.J.S.; Costa, H.H.

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