Metacercarial Infection of Wild Nile Tilapia (Oreochromis niloticus) from Brazil

Figure 1

Metacercariae found in naturally infected specimens of Nile tilapia (Oreochromis niloticus) collected in Pampulha reservoir, Belo Horizonte, Minas Gerais, Brazil. (a) Austrodiplostomum compactum recovered in the eyes; (b) encysted Drepanocephalus sp. found in oral cavity; (c) mechanically excysted specimen of Drepanocephalus sp. and detail of spines of cephalic collar; (d) Centrocestus formosanus found encysted in the gills; (e) Ribeiroia sp. recovered encysted in oral cavity; and (f) mechanically excysted specimen of Ribeiroia sp. All images obtained from unstained wet mount preparation. Scale bar = 50 μm.

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