Abstract
The infection rate by Ligula intestinalis has been studied in 14 fish species (Varicorhinus beso, Garra dembecha, Labeobarbus intermedius, L. crassibarbis, L. tsanensis, L. megastoma, L. brevicephalus, L. nedgia, L. acutirostris, L. gorgorensis, L. dainellii, L. macrophthalmus, Barbus humilis, and B. tanapelagius) from Lake Tana (Ethiopia). Plerocercoids have been found only in the fishes of gg. Labeobarbus and Barbus. Ligula has been found in seven out of ten studied large barbels. Barbels larger than 23 cm are not infected with ligula. It is revealed that a specific “synergism” exists between Ligula intestinalis and cestode Khawia sp. parasitizing the intestine of barbels. This synergism is manifested as a regular cooccurrence of these parasites. In juvenile Labeobarbus, fish coparasitized by Khawia sp. and L. intestinalis occurred more often than fish infected with each of this parasite separately.
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Original Russian Text © A.E. Zhokhov, M.N. Pugacheva, 2012, published in Biologiya Vnutrennikh Vod, No. 3, 2012, pp. 71–76.
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Zhokhov, A.E., Pugacheva, M.N. Distribution and occurrence of Ligula intestinalis (L.) plerocercoids (Cestoda, Ligulidae) in the fishes of Lake Tana, Ethiopia. Inland Water Biol 5, 293–298 (2012). https://doi.org/10.1134/S1995082912020162
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DOI: https://doi.org/10.1134/S1995082912020162