鱼蚤 (Ergasilus)，大口黑鲈，鳃
Subgross photograph of Ergasilus, a parasitic copepod found on the gills of a largemouth bass. Light micrograph obtained with dissecting microscope; original magnification, 40×.
Courtesy of Dr. Ruth Francis-Floyd.
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Subgross photograph of Ergasilus, a parasitic copepod found on the gills of a largemouth bass. Light micrograph obtained with dissecting microscope; original magnification, 40×.
Courtesy of Dr. Ruth Francis-Floyd.
