Animal / parasite / endoparasite
Eimeria falciformis endoparasitises Mus musculus
Other: sole host/prey

In Great Britain and/or Ireland:
Animal / parasite / endoparasite
tapeworm of Hymenolepis nana endoparasitises intestine of Mus musculus

Animal / parasite / ectoparasite / blood sucker
Nosopsyllus fasciatus sucks the blood of body of Mus musculus
Other: major host/prey