Collected: Upper Chesapeake Bay in Middle river using a 153 micrometer mesh plankton net, Surface tow. Summer 2004.

Notes: (Poecilostomatoida)
Males of this genus are planktonic. Females have modified 2nd antennae used to attach to the gills of fishes, especially catfish. This specimen is likely Ergasilus versicolor. Other members of this genus infect killifishes in the Chesapeake.

Collected and photographed by: Marilyn Yorgey, Goucher College, MD (photographed using an Olympus MIC-D photomicroscope)

Submitted by: Bill Johnson, Goucher College