title: Metazoan parasite communities of catfishes (Teleostei: Siluridae) in Benin (West Africa).
abstract: The need for more precise information on the effect of dry season on fish parasite communities in Benin lead us to undergo a focus during this season in one of the major sites of collection fry by fish farmers.Metazoan parasites were then inventoried in 166 specimens of catfishes which constituted of C larias gariepinus, Clarias ebriensis, Synodontis schall, Synodontis nigrita, and Chrysichthys nigrodigitatus (Teleostei: Siluridae). Those fishes were collected from fishermen of Agonlin-Lowé at the side of Oueme River in south Benin from November 2011 to March 2012. In total, 12 parasite species were listed comprising three Monogena (Gyrodactylus sp., Synodontella sp., and Protoancylodiscoides chrysichthes), three Cestoda (Stoeksia pujehuni, Lytocestus sp., and Cestode indeterminate), five Nematoda (Paracamallanus cyathopharynx, Procamallanus laevionchus, Cithariniella petterae, Synodontisia thelastomoides, and nematode indeterminate), and one indeterminated Copepod species. Total infestation rate varied between 83.87 and 100% for the different fish species. This was high but independent of fish sex (χ(2) = 1.669, df = 4, nonsignificant). The highest mean intensity and mean abundance were, respectively, 44 and 13.33. Monogenea and Nematoda have elevated frequency of dominance, and their presence in the host is significantly correlated (r = -0.999; p < 0.05). Clariids were highly infected by Nematoda. Except for P. laevionchus and Proteoancylodiscoides, respectively, in C. gariepinus and in C. nigrodigitatus, the parasites showed clumped distribution. The component community diversity, as measured by the Shannon index (H'), revealed that S. schall had the most parasite diversity.
authors.affiliation: Département de Zoologie, Faculté des Sciences et Techniques, Université d'Abomey-Calavi, 01 BP 526, Cotonou, Bénin, tndarius@yahoo.com.
authors.forename: Nounagnon Darius
authors.initials: ND
authors.lastname: Tossavi
authors.forename: Adam
authors.initials: A
authors.lastname: Gbankoto
authors.forename: Alphonse
authors.initials: A
authors.lastname: Adité
authors.forename: Moudachirou
authors.initials: M
authors.lastname: Ibikounlé
authors.forename: Christoph
authors.initials: C
authors.lastname: Grunau
authors.forename: Gilbert Nestor
authors.initials: GN
authors.lastname: Sakiti
mesh_terms: D000354:Africa, Western; D000818:Animals; D001541:Benin; D044822:Biodiversity; D002397:Catfishes / Q000469:parasitology*; D033342:Copepoda; D005260:Female; D008297:Male; D009348:Nematoda / Q000302:isolation & purification*; D010986:Platyhelminths / Q000302:isolation & purification*; D045483:Rivers; D012621:Seasons
references.citation: J Helminthol. 2001 Dec;75(4):373-83
references.pmid: 11818057
references.citation: Int J Parasitol. 1991 Sep;21(5):565-72
references.pmid: 1743852
references.citation: Rev Biol Trop. 2006 Mar;54(1):93-9
references.pmid: 18457179
references.citation: Int J Parasitol. 1995 Aug;25(8):945-70
references.pmid: 8550295
references.citation: Parasitol Res. 2007 Jan;100(2):287-97
references.pmid: 17036245
references.citation: J Fish Dis. 2009 Jan;32(1):115-8
references.pmid: 19245636
references.citation: J Fish Dis. 2005 Mar;28(3):157-64
references.pmid: 15752276
references.citation: Parassitologia. 1997 Sep;39(3):249-54
references.pmid: 9802075
references.citation: J Parasitol. 1997 Aug;83(4):575-83
references.pmid: 9267395
references.citation: Parasitol Res. 2003 Oct;91(4):290-7
references.pmid: 14574558
references.citation: Parasitol Res. 2003 Mar;89(4):272-83
references.pmid: 12632164
references.citation: Vet Parasitol. 1999 Aug 1;84(3-4):317-35
references.pmid: 10456421
references.citation: Parasitology. 1982 Oct;85 (Pt 2):373-98
references.pmid: 7145478
references.citation: Dis Aquat Organ. 2001 Apr 10;44(3):217-22
references.pmid: 11383569
references.citation: Parasitology. 2000 Jan;120 ( Pt 1):57-64
references.pmid: 10726266
references.citation: Parasitol Res. 1997;83(4):370-3
references.pmid: 9134560
references.citation: Dis Aquat Organ. 2003 Jul 8;55(2):125-31
references.pmid: 12911060
references.citation: Int J Parasitol. 1993 Nov;23(7):937-44
references.pmid: 8106186
references.citation: Rev Biol Trop. 2008 Dec;56(4):2021-6
references.pmid: 19419098
references.citation: Parasitol Res. 2012 Jan;110(1):315-23
references.pmid: 21688067
references.citation: Vet Parasitol. 2005 Sep 30;132(3-4):249-72
references.pmid: 16099592
references.citation: Mem Inst Oswaldo Cruz. 2002 Jul;97(5):683-9
references.pmid: 12219136
references.citation: Onderstepoort J Vet Res. 2006 Jun;73(2):101-10
references.pmid: 16958260
references.citation: Rev Saude Publica. 1997 Oct;31(5):523-30
references.pmid: 9629733