Melatonin, a hormone secreted by the pineal gland is preesnt in the semen and melatonin binding sites have been demonstrated on the plasma membrane of sperm. These observations suggest a possible modulatory role of ...

Based on external and internal morphology, osteology and morphometries the seven species of Paralonchurus Bocourt are grouped into two subgenera, Paralonchurus and Polyclemus. The monotypic Ionchurus Bloch was more similar ...

Growth, reproduction and mortality of the snakehead, Ophicephalus striatus Bloch, inhabiting the Muthurajawela swamp, a low pH environment in Sri Lanka, were studied using monthly samples collected by angling and indigenous ...

Sri Lankan reservoir fishery is one of the best documented in the South East Asian region. It is very productive and the average fish yield in reservoirs of the country is about 300 kg ha-I, yr". Nevertheless the Sri ...