| mercury concentrations in fish from lake meredith, texas: implications for the issuance of fish consumption advisories. | we examined how length of fish is related to mercury concentrations in muscle tissue of seven species of fish from lake meredith, texas and determined how sex and growth rate are related to mercury concentration in walleye (sander vitreus). flathead catfish (pylodictis olivaris), walleye and white bass (morone chrysops) had the highest concentrations of mercury and channel catfish (ictalurus punctatus), common carp (cyprinus carpio), river carpsucker (carpiodes carpio) and gizzard shad (dorosoma ... | 2006 | 17054010 |
| 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 |