| the swimbladder nematode anguillicola crassus in american eels (anguilla rostrata) from middle and upper regions of chesapeake bay. | the patterns of infection of american eels anguilla rostrata, with the introduced swimbladder nematode anguillicola crassus, in tributaries of middle and upper chesapeake bay are described. a total of 423 subadult eels was collected from 8 bay tributaries from spring 1998 to fall 1999. also, 30 elvers were collected from ocean city, maryland, in spring 1998. the numbers of juvenile and adult specimens of a. crassus in the swimbladder wall and lumen were counted. no elvers were infected. in subad ... | 2001 | 11780823 |