Three New Myxosporidian (Myxozoa: Myxosporea) Parasites of Freshwater Fishes from Chad (Central Africa)

Examination of freshwater fishes from Chad (Central Africa) revealed the presence of three new species of Myxosporea. They are: Henneguya fusiformis sp. n. in Clarias anguillaris Linne, 1758 (Clariidae) characterized by a fusiform sporal body (32.0 plus or minus 0.83 x 6.16 plus or minus 0.68 mu m) and pyriform polar capsules (5.73 plus or minus 0.43 x 3.5 plus or minus 0.5 mu m); Thelohanellus citharini sp. n. found in Citharinus citharus Geoffroy St-Hilaire, 1809 (Citharinidae) had pyriform spores (11.07 plus or minus 0.62 x 6.15 plus or minus 0.36 mu m) and elongated polar capsules (6.57 plus or minus 0.49 x 3.23 plus or minus 0.42 mu m); Thelohanellus ndjamenaensis sp. n. described from Labeo parvus Boulenger, 1902 (Cyprinidae) had ovoid spores (10.28 plus or minus 0.43 x 7.32 plus or minus 0.46 mu m) and pyriform polar capsules (4.21 plus or minus 0.4 x 3.21 plus or minus 0.43 mu m).