a 2009

New and previously described species of Dactylogyrus and Dogielius (Dactylogyridae) from the gills of three Labeo species (Cyprinidae) in Senegal

MUSILOVÁ, Naďa, Eva ŘEHULKOVÁ a Milan GELNAR

Základní údaje

Originální název

New and previously described species of Dactylogyrus and Dogielius (Dactylogyridae) from the gills of three Labeo species (Cyprinidae) in Senegal

Název česky

Nové a dříve popsané druhy rodu Dactylogyrus a Dogielius (Dactylogyridae) ze žáber tří druhů rodu Labeo v Senegalu

Autoři

MUSILOVÁ, Naďa (203 Česká republika), Eva ŘEHULKOVÁ (203 Česká republika) a Milan GELNAR (203 Česká republika, garant)

Vydání

2009

Další údaje

Jazyk

angličtina

Typ výsledku

Konferenční abstrakt

Obor

10600 1.6 Biological sciences

Stát vydavatele

Česká republika

Utajení

není předmětem státního či obchodního tajemství

Kód RIV

RIV/00216224:14310/09:00036463

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

Dactylogyridae; Dactylogyrus yassensis n.sp.; Dactylogyrus leonis n.sp.; Dactylogyrus dembae n.sp.; Africa; Senegal; Cyprinidae; Labeo coubie

Příznaky

Mezinárodní význam
Změněno: 30. 3. 2010 21:32, Mgr. Eva Řehulková, Ph.D.

Anotace

V originále

During a recent helminthological study on fishes from the Gambia River basins, Senegal, monogeneans assigned to Dactylogyrus and Dogielius (Dactylogyridae) were found on the gills of 3 species of Labeo (Cyprinidae): L. coubie, L. parvus, and L. senegalensis. The following 14 (3 new) species were recovered from Labeo coubie (n = 21): Dactylogyrus decaspirus, Dactylogyrus dembae n. sp., Dactylogyrus falcilocus, Dactylogyrus jaculus, Dactylogyrus leonis n. sp., Dactylogyrus oligospirophallus, Dactylogyrus retroversus, Dactylogyrus titus, Dactylogyrus yassensis n. sp., Dogielius anthocolpos, Dogielius clavipenis, Dogielius complicitus, Dogielius flagellatus, and Dogielius harpagatus. The re-examination of the type specimens of Dactylogyrus cyclocirrus Paperna, 1973 from Labeo cylindricus and L. victorianus revealed that the original description of this species was based on 2 different species. Consequently, Dactylogyrus cyclocirrus was redescribed and the lectotype was designated from the syntypes collected from Labeo cylindricus. Dactylogyrus cyclocirrus of Guégan et al. (1988) and D. cf. labeous Paperna, 1979 were found as senior subjective synonyms of D. yassensis and D. dembae n. spp., respectively. Host fishes of Labeo senegalensis (n = 15) were parasitized by the following 8 species: Dactylogyrus dembae n. sp., Dactylogyrus labeous, Dactylogyrus rastellus, Dactylogyrus senegalensis, Dactylogyrus tubarius, Dogielius anthocolpos, Dogielius flosculus, and Dogielius tropicus. Only 2 species were reported from Labeo parvus (n = 12): Dactylogyrus brevicirrus and Dactylogyrus dembae n.sp. Our detailed examination of haptoral structures with respect to the dorsoventral axis of the body showed that in Dactylogyrus spp. both anchors and their associated bar are located in the dorsal portion of the haptor, whereas these structures are ventrally located in species of Dogielius. This finding differs from many previously reported studies, in which the anchors and bar of Dogielius spp. are depicted as dorsal, and suggests the unnatural condition of the Dactylogyrinae.

Návaznosti

LC522, projekt VaV
Název: ICHTYOPARAZITOLOGIE - centrum základního výzkumu
Investor: Ministerstvo školství, mládeže a tělovýchovy ČR, Ichtyoparazitologie - centrum základního výzkumu