Cercopagis pengoi - This is an article about a cladoceran invader of the Baltic Sea. www.ku.lt/nemo/cercopag.htm
Cladocera Website - This is a website providing information and useful contacts for Cladoceran researchers. www.cladocera.uoguelph.ca
Daphnia Anatomy - Richard Fox's description of the anatomy of the water flea. www.science.lander.edu/rsfox/daphnia.html
Daphnia-Parasite Gallery - Photographs of infected Daphnia, with information on how to find and dissect affected animals. www.unifr.ch/biol/ecology/ebert/daphpara/daphpato/parasites.html
