Mnzako wamiyendo inayi nthawi zambiri amafika kutalika kwa 25 mpaka 45 cm. Choncho ndi imodzi mwa agalu ang'onoang'ono mpaka apakatikati. Mnzake wamiyendo inayi amafika kulemera kwa 4 mpaka 15 kilos. Makulidwe osiyanasiyana omwe galu amatha kufikira amadziwikanso ngati chidole (agalu ang'onoang'ono), kakang'ono, ndi muyezo (oyimira akulu kwambiri amtunduwu).
#1 Komabe, n’zosiyana kwambiri ndi alendo. Rat Terrier nthawi zambiri imakhala yokayikitsa komanso yosungidwa.
Ndicho chifukwa chake ali woyenerera ngati galu wamng'ono wolondera.
#2 Monga galu woyambirira wosaka makoswe, muyenera kuyembekezera kuti Rat Terrier akhale ndi chibadwa champhamvu chosaka.
#3 Mnzake wa miyendo inayi ndi woyenera kusungidwa m'nyumba ya mzinda.
Koma ndithudi kokha ngati atachita masewera olimbitsa thupi mokwanira mu mpweya wabwino - makamaka m'mapaki akuluakulu. Maulendo opita kunkhalango akuyeneranso kuphatikizidwa.