| parasites of native and nonnative fishes of the little colorado river, grand canyon, arizona. | a 2-yr, seasonal, parasitological study of 1,435 fish, belonging to 4 species of native fishes and 7 species of nonnative fishes from the lower little colorado river (lcr) and tributary creeks, grand canyon, arizona, yielded 17 species of parasites. these comprised 1 myxozoan (henneguya exilis), 2 copepods (ergasilus arthrosis and lernaea cyprinacea), 1 acarine (oribatida gen. sp.), 1 piscicolid leech (myzobdella lugubris), 4 monogeneans (gyrodactylus hoffmani, gyrodactylus sp., dactylogyrus ext ... | 2004 | 15562604 |
| asian fish tapeworm bothriocephalus acheilognathi in the desert southwestern united states. | the asian fish tapeworm bothriocephalus acheilognathi (cestoda: bothriocephalidea) is an introduced fish parasite in the southwestern united states and is often considered a serious threat to native desert fishes. determining the geographic distribution of nonnative fish parasites is important for recovery efforts of native fishes. we examined 1,140 individuals belonging to nine fish species from southwestern u.s. streams and springs between january 2005 and april 2007. the asian fish tapeworm w ... | 2010 | 21413512 |
| parasites of fishes in the colorado river and selected tributaries in grand canyon, arizona. | abstract as part of the endangered humpback chub (hbc) gila cypha adaptive management program, a parasite survey was conducted from 28 june - 17 july 2006 in 8 tributaries and 7 adjacent sections of the main stem colorado river (cor). in total 717 fish were caught, including 24 hbc, field necropsies yielded 19 parasite species, 5 of which (achtheres sp., kathlaniidae gen. sp., caryophyllaidae gen. sp., myxidium sp., and octomacrum sp.) are new records for the grand canyon. spearman's correlation ... | 2011 | 21793700 |