Bull. Eur. Ass. Fish Pathol., 35(6) 2015, 217 NOTE ȱȱParamoeba perurans in Ĵȱȱ ȱęȱ H. E. B. Stagg*, M. Hall, I. S. Wallace, C. C. Pert, S. Garcia Perez and C. Collins Marine Scotland Science, Marine Laboratory, Aberdeen, AB11 9DB Abstract ȱȱParamoeba perurans, ȱȱȱȱȱȱ ȱȱ¢ȱȱ ȱ ȱęȱȱĴȱȱ ȱǻȱƽȱŘǰřŚŞǼǯȱOverall, the apparent prevalence was low. A ȱęǰȱȱȱȱTrachurus trachurus, ȱǯȱȱȱȱęȱȱȱȱ ȱP. perurans in horse mackerel. Paramoeba perurans is an amoeba parasite and the Salmo salar and rainbow trout Oncorhynchus ȱȱȱȱȱȱǻ Ǽȱ mykiss (Munday et al., 1990); coho salmon O. (Young et al., 2007, Crosbie et al., 2012). The kisutchȱǻ ȱȱǯǰȱŗşŞŞǼDzȱ Scophthalmus ȱ ȱęȱȱȱȱȱŘŖŖŜȱ maximus ǻ¢ȱȱǯǰȱŗşşŞǼDzȱȱȱDicen- with additional outbreaks occurring since 2011 trarchus labrax (Dykova et al., 2000); chinook ȱȱȱ¢ȱ ȱȱȱęȱ salmon O. tshawytscha ǻȱȱǯǰȱŘŖŖŞǼDzȱ ȱȱȱĴȱȱ¢ȱ ayu Plecoglossus altivelis (Crosbie et al., 2010); (Marine Scotland Science unpublished data). ballan wrasse Labrus bergylta (Karlsbakk et al., ȱȱȱȱęȱȱȱ 2013); blue warehou Seriolella brama (Adams (Shinn et al., 2014) especially in the Australian ȱǯǰȱŘŖŖŞǼDzȱȱȱȱDiplodus puntazzo ȱȱ¢ȱȱȱ (Dykova and Novoa, 2001). ȱȱȱȱȱęȱȱȱ ŗşŞŚȱǻ¢ǰȱŗşŞŜǼǯȱȱȱȱȱȱ ȱȱȱ ȱęȱȱȱȱȱȱ reported in the USA (Kent et al., ŗşŞŞǼǰȱ ȱ P. peruransȱȱȱȱȱȱȱȱ (Rodger and McArdle, 1996), the Mediterranean ȱ¢ȱȱȱȱȱȱȱ ǻ¢ȱȱǯǰȱŗşşŞǼǰȱ ȱȱǻȱȱ ȱȱȱ ȱȱȱȱ ǯǰȱŘŖŖŞǼǰȱ ¢ȱǻȱȱǯǰȱŘŖŖŞǼǰȱ ȱ ȱȱęǯȱȱǰȱP. perurans has only (Crosbie et al., 2010), Chile (Bustos et al., 2011) ȱȱȱęȱȱȱ- ȱȱȱȱǻȱȱǯǰȱŘŖŗŚǼǯȱ- ǯȱȱȱȱȱȱ¢ȱȱ ceptible species to AGD include: Atlantic salmon ȱȱ ȱParamoeba ǯȱȱ ȱęȱ * Corresponding author’s e-mail:
[email protected] ŘŗŞǰȱǯȱǯȱǯȱȱǯǰȱřśǻŜǼȱŘŖŗś ǻȱȱǯǰȱŘŖŖŞǼȱ ȱȱȱ ȱ ȱȱȱȱȱ¢ȱȱȱ ȱȱȱȱ¢ȱȱȱȱ ȱ ȱȱęȱȱȱ¢ȱǻ ȱ ȱȱ in Tasmania and tested ȱǯǰȱŘŖŖŗǼǯȱ¢ȱęȱ ȱȱ ȱ using histological and immunohistochemical each haul based on the approximate proportion techniques however, the amoeba species was ȱȱȱȱȱȱǰȱȱ ȱȱȱȱȱȱȱȱȱ ȱ ȱȱȱȱȱ ȱȱP.