Abstract
Between February 1996 and January 2000, parasitological examination of Scomber scombrus ( n = 447), Trachurus trachurus ( n = 175), Sardina pilchardus ( n = 160) and Engraulis encrasicolus ( n = 153) from the fishing-ground of Tarragona (NE Spain) were made for anisakids. Three anisakid species ( Anisakis larva type I sensu Berland, 1961, Contracaecum sp. and Hysterothylacium aduncum) were morphologically identified. The prevalence of Anisakis larva type I sensu Berland (1961) ranged from 11.0% ( S. scombrus) and 2.6% ( T. trachurus) to 0.0% ( S. pilchardus and E. encrasicolus). The prevalence of H. aduncum in S. scombrus was 1.1%. The prevalence of Contracaecum sp. was 2.0% in S. scombrus, and 0.7% in T. trachurus respectively. There was a positive and significant correlation between the host length and the number of Anisakis larva type I sensu Berland, 1961 found in S. scombrus.
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