| anisakis simplex sensu lato associated with red vent syndrome in wild adult atlantic salmon salmo salar in england and wales. | wild atlantic salmon salmo salar with swollen and/or bleeding vents (red vent syndrome) have been observed in rivers across england and wales. low numbers of salmon with this condition have previously been recorded, but reports have increased in 2006 and 2007. affected and non-affected salmon were sampled from fish traps and their vent pathology was examined. third stage larvae of the nematode anisakis simplex sensu lato were observed in the tissue surrounding the vent in all affected fish. hist ... | 2008 | 19062754 |