More information on Metacercaria Infection (Flatworms)
Main Ref: 41805  
Disease type: Parasitic infestations (protozoa, worms, etc.)  
Disease name: Metacercaria Infection (Flatworms)  
Other names: Digenetic Trematode Infection  
Caus. agent: N.A.   
Group:    
Part of body and/or behavior affected by disease:
 Skins and/or fins  Belly  Swimming behavior
 Gills  Anus  Other behavior
 Eyes  Viscera Afflicted  Other symptoms
Fish affected:    
Symptoms: Can be recognize in the skin and muscles as small black dots or larger white inclusions. Sometimes we can find the metacercaria as a little bumps in the muscular tissue.  
Treatments: Mixture of Niclosamide (Dose: 0.5gm to a bit of food (100gm) and mix it thoroughly. This can be done with gelatine or vegetable oil), Praziquantel (Dose: 100mg/25gm of food for 7 days (for metacercaria), or Piperazine (Dose: 0.5gm to a bit of food (100gm) and mix it thoroughly. This can be done with gelatine or vegetable oil).  
Prophylaxis: Fish should be managed and kept healthy as possible.  
Remarks: Metacercariae are larvae of digenetic Trematodes that can be found in the skin, eyes, muscular tissue and in the internal organ. This worms, in various forms use one or more intermediate host to complete their life cycle. Metacercaria infections can occur as or in: internal organs, black spot (usually Neascus sp.), white or yellow grub (usually Clinostomum sp.), in the eyes (blind), encapsulated worms in the gills, and encapsulated or free metacercaria in the intestines.  
Mortality and seasonality
Mortality:  
Seasonality:
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picture (MetaceD0.gif) by Bassleer, G.
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picture (MetaceD0.jpg) by Bassleer, G.
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picture (MetaceD6.jpg) by Bassleer, G.
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picture (MetcerD0.jpg) by Bassleer, G.
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picture (MetcerD1.jpg) by Bassleer, G.
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picture (MetcerD2.jpg) by Bassleer, G.
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picture (MetcerD3.jpg) by Bassleer, G.
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picture (MetcerD4.jpg) by Bassleer, G.
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picture (MetcerD5.jpg) by Bassleer, G.
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picture (MetcerD6.jpg) by Bassleer, G.
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picture (MetcerD7.jpg) by Bassleer, G.
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