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Dactylogyrids from Labeo coubie Rüppell, 1832, Labeo parvus Boulenger, 1902 and Labeo senegalensis Valenciennes, 1842, were studied in the river Gambia and its basin in Senegal. Twenty species ( two new) of Dactylogyridae were found: Dactylogyrus cyclocirrus Paperna, 1973 , D. decaspirus Guégan, Lambert, Euzet, 1988, D. falcilocus Guégan, Lambert, Euzet, 1988, D. jaculus Guégan, Lambert, Euzet, 1988, D. jucundus Guégan, Lambert, 1991, D. oligospirophallus Paperna, 1973, D. titus Guégan, Lambert, Euzet, 1988, Dactylogyrus sp.1, Dactylogyrus sp.2, Dogielius clavipenis Guégan, Lambert, Euzet, 1989, D. flagellatus Guégan, Lambert, Euzet, 1989, and D. harpagatus Guégan, Lambert, Euzet, 1989 from Labeo coubie ; Dactylogyrus brevicirrus Paperna, 1973, and Dactylogyrus sp. 1 from Labeo parvus ; Dactylogyrus cyclocirrus Paperna, 1973, D. labeous Paperna, 1969, D. rastellus Guégan, Lambert, Euzet, 1988, D. senegalensis Paperna, 1969, D. tubarius Guégan, Lambert, Euzet, 1988, Dactylogyrus sp. 1, Dogielius anthocolpos Guégan, Lambert, Euzet, 1989, D. flosculus Guégan, Lambert, Euzet, 1989, and D. tropicus Paperna, 1969 from Labeo senegalensis.
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