Representatives of Dactylogyridae Family of the Monogenea Class in Gold Fish (Carassius Auratus Auratus) Imported in Bulgaria from Singapore

E. V. BORISOV
Sofia University “St. Kliment Ohridski”, Faculty of Biology, Department of General and Applied Hydrobiology, BG – 1164 Sofia, Bulgaria

Abstract

BORISOV, E. V., 2013. Representatives of Dactylogyridae Family of the Monogenea Class in Gold Fish (Carassius auratus auratus) Imported in Bulgaria from Singapore. Bulg. J. Agric. Sci., Supplement 2, 19: 237–242

 

The introducing of new species in different parts of the world is the main reason for changing biodiversity. Many ornamental fishes are bearers of exotic parasites, which spread in environmental waters in different ways (releasing, throwing out death fish in sewage). This give possibility of their parasites to go in environmental waters of the country where they invasive new hosts (except parasites there are viruses and bacteria spreading in this way). In this study we find five species of the genus Dactylogyrus, which are typical for goldfish Carassius auratus auratus (Linnaeus, 1758), which is similar to the native for Bulgaria Carassius auratus gibelio (Linnaeus, 1758). Two of the dactylogirids Dactylogyrus vastator Nybelin, 1924, D. intermedius (Weger, 1910) are extremely pathogenic. One of the others D. baueri (Gussev, 1955) is novelty to the helminthofauna of the country.

Key words: Dactylogyridae family, Carassius auratus auratus, Ornamental fish

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