Two Hyalella azteca (Saussure, 1858) populations were studied to statistically determine if their symbiont Lagenophrys patina Stokes, 1887 preferred to attach to body regions and/or appendages. The distribution pattern of… Click to show full abstract
Two Hyalella azteca (Saussure, 1858) populations were studied to statistically determine if their symbiont Lagenophrys patina Stokes, 1887 preferred to attach to body regions and/or appendages. The distribution pattern of the epibiont was investigated according to host size and period of the year, based on abundance and prevalence of L. patina in Xochimilco Lake and Cuitzeo Lake, Mexico. In both cases, a greater abundance of L. patina was found on coxal plates, followed by the pereiopods and, for the population of Cuitzeo Lake, the distributional pattern demonstrated a positive association between host size, period of the year, and abundance of the lagenophryids.
               
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