Life cycle Two intermediate hosts D 1st int, host is melania snail D 2nd int. hosts are crab and crayfish Ectopic parasitism caused by worm wandering-cerebral, abdominal, etc Eggs discharged with sputum or feces Reservoir hosts: carnivores such as tiger, wolf, fox, dog, leopard, cat, etc◼ Two intermediate hosts  1 st int. host is melania snail  2 nd int. hosts are crab and crayfish ◼ Ectopic parasitism caused by worm wandering – cerebral, abdominal, etc ◼ Eggs discharged with sputum or feces ◼ Reservoir hosts: carnivores such as tiger, wolf, fox, dog, leopard, cat, etc Life cycle