Copepod parasites of freshwater fish
Subtitle: Ergasilus, Achtheres, and Salmincola
By: G.L. Hoffman.
Contributors: U.S. Fish and Wildlife Service. Division of Cultural Methods Research.
Edition: Rev. of Fish disease leaflet 4 (1966).
Series: Fish disease leaflet -- 48.
Publisher: U.S. Dept. of the Interior, Fish and Wildlife Service, Division of Cultural Methods Research
Published: 1981
Place of publication: Washington, D.C
Language: eng
Number of pages: 10
Subjects: Fishes -- United States -- Parasites.; Fishes -- Diseases -- United States.
Other titles: Ergasilus, Achtheres, and Salmincola.
Notes: "Reprinted Sept. 1981."

Bibliography: p. 9-10.