121762
The barren-ground caribou , muskox , Arctic char , lake trout and ringed seal were the primary prey , and remain important food sources .
 muskox, Arctic char, lake trout
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 muskox, Arctic char, lake trout