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|a1=

The fish louse.

The fish louse.

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|l1= Fish Louse

|q2=What is its genus?

|q2=What is its genus?

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|a2=

''Argulus''.

''Argulus''.

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|l2= Fish Louse#Introduction

|q3=How does it feed?

|q3=How does it feed?

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|a3=

This parasite feeds by piercing the skin with its sharp stylet (visible along the ventral midline of the animal) and then sucking up body fluids with its mouth parts.

This parasite feeds by piercing the skin with its sharp stylet (visible along the ventral midline of the animal) and then sucking up body fluids with its mouth parts.

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|l3= Fish Louse#Pathology and Clinical Signs

|q4=What are the major clinical concerns with this parasite?

|q4=What are the major clinical concerns with this parasite?

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|a4=

Although a light ''Argulus'' infection is rarely fatal, the parasites irritate the skin, making the fish stressed and uncomfortable.  

Although a light ''Argulus'' infection is rarely fatal, the parasites irritate the skin, making the fish stressed and uncomfortable.  

A heavy fish louse infestation may allow opportunistic pathogens to infect the host, and fish lice are known directly to transmit

A heavy fish louse infestation may allow opportunistic pathogens to infect the host, and fish lice are known directly to transmit bacterial and viral diseases.

bacterial and viral diseases.

|l4= Fish Louse#Pathology and Clinical Signs

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