Biomaterial Database

Observations on the host specificity of Pomphorhynchus patagonicus (Acanthocephala) from the Alicura Reservoir (Patagonia, Argentina). 1994

A Trejo

Centro Regional Bariloche, Universidad Nacional del Comahue, Argentina.

The acanthocephalan Pomphorhynchus patagonicus was found in 3 species of fish in the Alicura Reservoir (Patagonia, Argentina). These included Oncorhynchus mykiss, Patagonina hatcheri, and Percichthys trucha. Prevalence, intensity, size of the parasites, and percentage of gravid females were analyzed. The relatively low prevalence and intensity were probably due to the low consumption of the intermediate host, Hyalella patagonica. The highest values of intensity, length, and percentage of gravid females were found in Percichthys trucha. This species is considered to be the preferred host of P. patagonicus in the reservoir. No mature eggs were found in O. mykiss; this, together with the parasite's low growth rate, underlines the hypothesis that this species is not a suitable host for P. patagonicus.

UI	MeSH Term	Description	Entries
D005260	Female		Females
D005393	Fish Diseases	Diseases of freshwater, marine, hatchery or aquarium fish. This term includes diseases of both teleosts (true fish) and elasmobranchs (sharks, rays and skates).	Disease, Fish,Diseases, Fish,Fish Disease
D005399	Fishes	A group of cold-blooded, aquatic vertebrates having gills, fins, a cartilaginous or bony endoskeleton, and elongated bodies covered with scales.
D005618	Fresh Water	Water containing no significant amounts of salts, such as water from RIVERS and LAKES.	Freshwater,Fresh Waters,Freshwaters,Water, Fresh,Waters, Fresh
D006373	Helminthiasis	Infestation with parasitic worms of the helminth class.	Nematomorpha Infections,Infections, Nematomorpha,Helminthiases,Infection, Nematomorpha,Nematomorpha Infection
D006374	Helminthiasis, Animal	Infestation of animals with parasitic worms of the helminth class. The infestation may be experimental or veterinary.	Animal Helminthiases,Animal Helminthiasis,Helminthiases, Animal
D006790	Host-Parasite Interactions	The relationship between an invertebrate and another organism (the host), one of which lives at the expense of the other. Traditionally excluded from definition of parasites are pathogenic BACTERIA; FUNGI; VIRUSES; and PLANTS; though they may live parasitically.	Host-Parasite Relations,Parasite-Host Relations,Host-Parasite Relationship,Parasite-Host Interactions,Host Parasite Interactions,Host Parasite Relations,Host Parasite Relationship,Host-Parasite Interaction,Host-Parasite Relation,Host-Parasite Relationships,Interaction, Host-Parasite,Interaction, Parasite-Host,Interactions, Host-Parasite,Interactions, Parasite-Host,Parasite Host Interactions,Parasite Host Relations,Parasite-Host Interaction,Parasite-Host Relation,Relation, Host-Parasite,Relation, Parasite-Host,Relations, Host-Parasite,Relations, Parasite-Host,Relationship, Host-Parasite,Relationships, Host-Parasite
D000049	Acanthocephala	A phylum of parasitic worms, closely related to tapeworms and containing two genera: Moniliformis, which sometimes infects man, and Macracanthorhynchus, which infects swine.	Thorny-Headed Worms,Acanthocephalas,Thorny Headed Worms,Thorny-Headed Worm,Worm, Thorny-Headed,Worms, Thorny-Headed
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D001118	Argentina	Country located in southern South America, bordering the South Atlantic Ocean, between Chile and Uruguay.