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Volume 20, Number 4—April 2014

Research

Gnathostoma spinigerum in Live Asian Swamp Eels (Monopterus spp.) from Food Markets and Wild Populations, United States

Rebecca A. Cole, Anindo Choudhury, Leo G. Nico, and Kathryn M. Griffin
Author affiliations: US Geological Survey–National Wildlife Health Center, Madison, Wisconsin, USA (R.A. Cole, K.M. Griffin); St. Norbert College, DePere, Wisconsin, USA (A. Choudhury); US Geological Survey–Southeast Ecological Science Center, Gainesville, Florida, USA (L.G. Nico)

Main Article

Figures 1

A–D) Views showing the technique used for hook counts of Gnathostoma spp., United States, En face (panels A, B) and posterior (panels C,D) views showing the technique used for hook counts; specimen shown here is of Gnathostoma spinigerum from eel 59 specimen b from gastrointestinal digestion. E–G) En face mounts of the cephalic bulbs of specimens identified as 3 different species on the basis of molecular data: panel E, specimen eel 59 G, a, G. spinigerum; panel F, specimen eel 48 M, c, G. turgi

Figures 1. A–D) Views showing the technique used for hook counts of Gnathostoma spp., United States, En face (panels A, B) and posterior (panels C,D) views showing the technique used for hook counts; specimen shown here is of Gnathostoma spinigerum from eel 59 specimen b from gastrointestinal digestionE–G) En face mounts of the cephalic bulbs of specimens identified as 3 different species on the basis of molecular data: panel E, specimen eel 59 G, a, Gspinigerum; panel F, specimen eel 48 M, c, Gturgidum, and panel G, specimen eel 54 K, a, GlamotheiNote the difference between the hook counts in row 1 between Gspinigerum and the 2 other species (Table 2) H–I) Scanning electromicrograph of specimens from eel 9, identified as Gspinigerum on the basis of cephalic bulb hook countsScale bars = 50 µm.

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