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Fish Health in New Jersey

Laboratory Resources

Fish Health Staff

Health of Hatchery Fish

Health of Wild Fish

Fish Kills

Fish Diseases

Office of Fish and Wildlife Health and Forensics

Fish are a highly diverse group of vertebrates with over 32,000 known species that are a result of over 500 million years of evolution. For a small state, New Jersey has a rich diversity of fish species, being home to 93 freshwater species and more than 330 marine species. Along with this species richness there is an incredible diversity of microbes, including parasites, viruses, and bacteria, that infect them.

Diseases in fish are often a result of compromised environmental conditions. The fish pathology unit is a component of the Office of Fish and Wildlife Health and Forensics dedicated to understanding and responding to disease problems in New Jersey's fisheries. Through disease surveillance and research we study and respond to fish diseases throughout the state.

Ongoing research is directed towards understanding the health of wild fish in marine and freshwater environments throughout the state, as well as the health of the freshwater fish raised in the state fish hatcheries. Please use the links on the left to navigate the fish health page to learn more about our projects.

Microscopic flagellates on gill tissue
Scanning electron micrograph showing the flagellated protozoan parasite, Ichthyobodo necator, attached to the surface of a fish gill.
Click to enlarge

RELATED PAGES

arrow Health Advisories for Eating Fish and Crabs Caught in NJ Waters
arrow Bureau of Freshwater Fisheries

Microscopic pathogens
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Copyright © State of New Jersey, 1996-2014
Department of Environmental Protection
P.O. Box 402
Trenton, NJ 08625-0402

Last Updated: June 3, 2014