Stiftung Tierärztliche Hochschule Hannover (TiHo)

Kudoa sp. (Myxozoa, Multivalvulida) : first report in five commercial fish species from the Canary Islands-FAO 34 (Macaronesia-Spain)

Rodríguez-Ponce, Eligia; Betancor, Eva; Steinhagen, Dieter GND; Ramírez, Ana Sofía ORCID; Ventura, Myriam R.; de Felipe, Magnolia Conde; Pestano, Jose

Kudoid myxozoans have been reported causing serious chronic problems in marine fisheries, by reducing the market value of infected fish through pathological damage to the host musculature. We report here the overall prevalence of a Kudoa species in 84/277 (30.3%) fishes from 20 different species of high commercial value captured between October 2011 and December 2013 from the United Nations Food and Agriculture Organization (FAO) 34 commercial fishing area, near the coast of the Canary Islands (Spain). Macroscopic examination showed myxozoan-like cysts in skeletal muscle from 5 of the 20 fish species examined, with the following prevalences: Pagellus acarne (86.7%), Pagellus erythrinus (46.5%), Serranus cabrilla (27.8%), Spondyliosoma cantharus (19.4%), and Sarpa salpa (28.6%). Infection intensity was determined based on spore counts following muscle tissue digestion. Morphometric studies to characterize the species and DNA sequence analysis results suggest that these infections are attributable to a Kudoa species closely related to Kudoa trachuri. This paper reports the first study on a multivalvulidan species to be identified from the Canary Islands. Furthermore, this is the first report of Kudoa parasites in all of the hosts mentioned above, with the exception of P. acarne.

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Rodríguez-Ponce, Eligia / Betancor, Eva / Steinhagen, Dieter / et al: Kudoa sp. (Myxozoa, Multivalvulida). first report in five commercial fish species from the Canary Islands-FAO 34 (Macaronesia-Spain). 2019.

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