Carrie J. Byron University of New England 207.602.2287 Pseudoterranova decipiens, also known as codworm or sealworm, is a parasitic marine nematode that affects invertebrates (such as copepods), seals, and more than 75 species of fish including commercially important species such as Atlantic cod, halibut, yellowtail flounder, and windowpane flounder. Infection of these fish species presents both … Continue reading DV-15-04 The range, prevalence, and abundance of codworm in the Gulf of Maine