Anisakis spp. - Blood & Tissue Nematodes

Morphology:
-Adult: Male->3.5~7cm, Female->4.5~15cm

Life cycle:
-Final Host: Marine mammals (whale & dolphine)
-Intermediate Host: Crustaceans.
-Paratenic Host: Seafishes, squid.

Epidemiology:
-Japan, Holland, Scandinavia, pacific coast of South America.

Pathology & Symptomatology:
-Abdominal pain, nausea, vomitting, diarrhea, peritoneal irritation.
-Hematemesis.
-Granuloma:
--extensive eosinophilic infiltration.

Diagnosis:
-Gastroscopy
-X-ray
-Immunodiagnosis

Treatment:
-Surgery

Prevention:
-Freezing at -20°C for 5 days kills the larva.