Merck Manual

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Argulus spp, tail fin, goldfish
argulus-spp-fish-louse-tail-fin-goldfish-high
Argulus spp, tail fin, goldfish

    Small, gray speckled fish louse (Argulus spp) attached to the tail fin of a fancy goldfish.

Courtesy of Dr. Louise Bauck.

In these topics
Parasitic Diseases of Fish