Many Pauciconfibula spp. have a long and complicated taxonomic history. The remaining unsolved confusion in this genus is impelled by the host range status of from trachinid fishes: trachini draconis, Trachinus radiatus draco (Trachinidae), respectively. was reported on draco, type draconis suggesting thus stenoxenic specificity for former monogenean occurrence two congeneric polyopisthocotylea...

Monogeneans are common ectoparasitic flatworms of marine fish. The diplectanid monogenean Diplectanum aequans (Wegener, 1857) (Diplectanidae) is one the most important ectoparasites in wild and cultured European sea bass Dicentrarchus labrax (Linnaeus, 1758) worldwide. This parasitic species cause severe pathological damages gills death infected bass. Presently, there no information on molecula...

Three new and one already known species of Dactylogyrus Diesing, 1850 are described from five Labeo (Cyprinidae) sampled in the middle section Sanaga hydrosystem (Centre Region-Cameroon): sanagaensis sp. nov. Tshibwabwa, 1997, L. nunensis Pellegrin, 1929, camerunensis Trewavas, 1974 annectens Boulenger, 1903; nachtigalensis D. yassensis Musilová, Řehulková & Gelnar, 2009 batesii 1911; djimensis...

Following the intensification of Mediterranean aquaculture over years, Sparicotyle (syn. Microcotyle) chrysophrii (van Beneden and Hesse, 1863; Microcotylidae, Monogenea) became one most pathogenic ectoparasites for gilthead seabream (Sparus aurata L.) aquaculture. It has demonstrated a remarkable versatility to expand its known host range, accomplish an efficient transfer between wild farmed s...

Mormyrogyrodactylus gemini gen. et sp. n. (Gyrodactylidea: Gyrodactylidae), a viviparous monogenean is described from the skin and fins of Marcusenius macrolepidotus (Peters) from South Africa. This new genus is unique in having a large cup-shaped cirrus armed with one large needle-like spine and numerous small hair-like spinelets. A peduncular bar is present. The haptor is clearly demarcated f...

Distribution of a monogenean parasitic helminth Salsuginus thalkeni on the gills of the fish Fundulus zebrinus is described by calculation of mean positions and niche breadths on the linear spatial resource gradients gill filament length, gill arch length and arch number. All distributions are given for parasites in the presence and absence of various combinations of potential competitors, name...

A colony of rainbow trout (Oncorhynchus mykiss) in a decentralized aquatic animal facility was noted to have an increase in morbidity and mortality (from 4 or 5 fish each month to 3 or 4 fish daily) approximately 2 wk after experimental procedures began. The primary clinical signs were erratic swimming behavior and 'flashing' of fish against surfaces within housing enclosures. Moribund and norm...