Are There Worms in Codfish?

Nematodes are naturally occurring parasitic roundworms

roundworms
Nematodes are very small, slender worms: typically about 5 to 100 µm thick, and 0.1 to 2.5 mm long. The smallest nematodes are microscopic, while free-living species can reach as much as 5 cm (2 in), and some parasitic species are larger still, reaching over 1 m (3 ft) in length.
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common in coldwater, oily fish such as cod. Nematodes are not harmful when fish is cooked properly to an internal temperature of 140°F, which normal cooking techniques generally exceed, or frozen if intended for raw consumption.

Are there worms in cod fish?

Cod worms can infect various saltwater fish, especially cod, Pacific rockfish (also called Pacific red snapper), whiting, mackerel, haddock, herring and salmon. ... Some people have been unfortunate enough to eat fish with live worms in them. In such cases, two kinds of problems can develop.

What are the worms in cod fish?

The health risk from parasites is far less than the risk from “unseen” illness causing bacteria which are present in almost all foods. Roundworms called nematodes are the most common parasite found in marine fishes. Some people call these nematodes herring worms or cod worms.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.