| experimental verification of the metacercarial stage of rhipidocotyle lepisostei (trematoda: bucephalidae) with notes on the natural occurrence of its adult stage in gars in texas and virginia. | bucephalid metacercariae found encysted in the caudal fin rays of striped mullet (mugil cephalus) were fed to bucephalid-free spotted gars (lepisosteus oculatus) in the laboratory. gravid specimens of rhipidocotyle lepisostei were recovered from the intestinal tracts of 2 of 3 gars from 7 to 28 days later. further attempts to complete the entire life cycle were unsuccessful. natural infections of adult r. lepisostei were found in the type host, the alligator gar lepisosteus spatula, from galvest ... | 1990 | 2319436 |
| fish tissue quality in the lower mississippi river and health risks from fish consumption. | between 1990 and 1994, samples of three shellfish species (i.e. blue crab, callinectes sapidus;crayfish, procambarus acutis; and river shrimp, macrobrachium ohionii) and 16 fish species and were collected at six sites along the lower mississippi river by the louisiana department of environmental quality, office of water resources in coordination with the us environmental protection agency. the fish species included: bigmouth buffalo (ictiobus cyanellus); blue catfish (ictalurus furcatus); carp ( ... | 2003 | 12526903 |