Learnia is an ______ parasite of fish.

لرنیا مچھلی کا ایک ______ پرجیوی ہے۔

Intestinal

Internal

External

None of these

Lernaea (anchor worm) is an external parasite that attaches to the skin, fins, or gills of fish.

It causes irritation, wounds, and secondary infections in affected fish.