Zitholakala kuphi izintuthwane zasemfuleni?
I-brook trout yasendaweni ingatholakala empumalanga yeNyakatho Melika, kusukela enyakatho-mpumalanga yeCanada, futhi yehlele ngasogwini olusempumalanga kuze kube sezingeni eliseningizimu yezwe laseGeorgia e-United States, lapho itholakala khona emifuleni eminingi ephakeme. Naphezu kokuzalelwa kulezi zifunda, i-brook trout ingatholakala nakwezinye izindawo emhlabeni lapho izitshalo ziphathwa khona yizindawo zokuzalanisa futhi zigcinwe ezindaweni zokudoba zendawo.