Occurrence of some nematode parasites in the gastrointestinal tract of Ariidae (Teleostei: Siluriformes) catfish, Arius arius (Hamilton, 1822) from Karachi coast
Occurrence of some nematode parasites in the gastrointestinal tract of Ariidae (Teleostei: Siluriformes) catfish, Arius arius (Hamilton, 1822) from Karachi coast
A. Sattar1, †, A. Khan2, N. Khatoon1 and A. Mujahid3
ABSTRACT
Current study was carried out in December, 2014 to investigate the occurrence of helminth parasites in catfish
species belonging to family Ariidae (Blecker, 1862). Four species of catfishes namely Arius arius (Hamilton, 1822),
Arius caelatus (Valenciennes, 1840), Arius dussumieri (Valenciennes, 1840) and Arius sona (Hamilton, 1822) off
the Karachi coast were screened for the occurrence of helminth parasites. Fish were examined after washing
contents of gastrointestinal tract and observed under light microscope with the help of regular parasitological
methods. The nematode parasites namely; Raphidascaris acus (Bloch, 1779) larvae, Metabronema magnum (Taylor,
1925), Haplonema immutatum (Ward et Magath, 1917) and Hedruris bryttosi (Yamaguti, 1935) were recorded from
the gut of the catfish, Arius arius (Hamilton, 1822). These are new host records as these parasites have not been
reported from Arius arius species in the region, off the Karachi coast.
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December 2016
Pakistan Journal of Nematology, Vol. 34, Iss. 2, Pages 105-212
