Zoonotic Fish Parasites in Riau, Indonesia

Abstract

Clinostomum sp.is belongedto digenetic trematodethat commonly infests freshwater fishes. This parasite is zoonotic and may cause laryngopharyngitis disease in human that consume raw fish. A study aims to understand the morphology and prevalence of Clinostomum sp.in the freshwater fishesfrom Riau, Indonesia has been conducted fromFebruarytoOctober 2013. Fish samples were measured and weight and then were investigated for identifying the parasites infection. Parasites were taken manually and fixed in 10% formaline solution and stained with Semichon’s acetocarmine. Parasites were then studied using astereo microscope, the number and types of parasites were noted and examined. Morphological characteristics of the cysts are ellipse, 0,03 (0,02-0,04 mm) length and 0,02 (0,01-0,03) mm width, transparent, off white colored and attach in the fish tissue.Based on its morphological characteristics, Clinostomum sp. found were identified as C. phalacrocorasis. Results of this research prove that T. trichogaster is the 2ndintermediate host of Clinostomum sp in Riau Province, Indonesia.