MYXOSPOREAN SPECIES OF THE GENUS THELOHANELLUS KUDO, 1933 (MYXOZOA: MYXOSPOREA: BIVALVULIDA) FROM FRESHWATER FISHES OF PUNJAB WETLANDS, INDIA

• Main Authors: Singh, Ranjeet, Kaur, Harpreet
• Format: Text
• Language: unknown
• Published: Государственное образовательное учреждение высшего профессионального образования «Пензенский государственный университет» 2012
• Subjects: CAUDAL FIN,GILL LAMELLAE,HARIKE,KANJALI,PLASMODIUM,THELOHANELLOID; Attu
• Online Access: http://cyberleninka.ru/article/n/myxosporean-species-of-the-genus-thelohanellus-kudo-1933-myxozoa-myxosporea-bivalvulida-from-freshwater-fishes-of-punjab-wetlands-india; http://cyberleninka.ru/article_covers/15006529.png

A study on the myxosporean infections in freshwater fishes in Harike and Kanjali wetlands of Punjab (India) has revealed the presence of three myxozoan species belonging to the genus Thelohanellus. Plasmodia were teased out with the help of a fine needle to liberate the spores on a clean slide. Spores were studied fresh as well as stained after fixing in Bouins fixative. T. batae Lalitha Kumari, 1969 was located within the wall lining of the duodenum and on the pectoral fin of the cat fish, Wallago attu. Earlier, this parasite was recorded from gill filaments of Labeo bata in Andhra Pradesh (India). Spores of T. mrigalae Tripathi, 1952 were found parasitizing the caudal fin of Catla catla. Spores of the new species, T. thaili sp. nov. were found infecting gill lamellae of Catla catla. Spores were pyriform in valvular view, tapering towards the anterior end with bluntly pointed tip. Spores measured 11.67×7.22 μm in size. Polar capsule was flask-shaped, long-necked, measuring 7.3×4.4 μm in size. It was placed eccentrically in the spore body cavity (aligned to one side of the inner wall of the spore) occupying nearly three-quarters of the spore body cavity. In the present study, new host, new site of infection and new locality for T. batae and T. mrigalae have been reported.