| diphyllobothrium dendriticum and diphyllobothrium latum in fishes from southern argentina: association, abundance, distribution, pathological effects, and risk of human infection. | diphyllobothrium dendriticum and diphyllobothrium latum are reported for the first time from argentina. the following species from lake moreno (southern argentina) were studied to determine whether plerocercoids were present: 11 brook trout (salvelinus fontinalis), 32 perca (percichthys sp.), 21 pejerrey (patagonina hatcheri), and 114 rainbow trout (oncorhynchus mykiss). brook trout harbored both species (27.3% prevalence of d. dendriticum and 9.0% of d. latum); perca harbored only d. latum (18. ... | 1993 | 8501594 |