A trematode survey of pirate perch, Aphredoderus sayanus, in Louisiana demonstrated a seasonal periodicity of Crepidostomum isostomum with regard to prevalence, worm burden, and maturation. The prevalence of Phyllodistomum pearsei showed no discernable periodicity and only the worm development followed a seasonal pattern.
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1 April 1976
GROWTH DYNAMICS AND SEASONAL PREVALENCE OF Crepidostomum isostomum AND Phyllodistomum pearsei IN Aphredoderus sayanus
C. A. ELKINS,
K. C. CORKUM