| spatial and temporal distribution of the asian fish tapeworm bothriocephalus acheilognathi (cestoda: bothriocephalidea) in the rio grande (río bravo del norte). | recent collections of the asian fish tapeworm bothriocephalus acheilognathi in the rio grande have raised concern about the potential impacts on rio grande endemic and imperiled fishes. the objectives of this study were to determine distribution and definitive hosts of the asian fish tapeworm within the rio grande drainage and to quantify occurrences and abundances. in total, 1,992 fish spanning 11 families were collected and examined for asian fish tapeworms in the rio grande and the pecos and ... | 2010 | 21192548 |