65831
Atka mackerel , Pacific cod , In addition to their primary marine environment , they sometimes enter estuaries and feed on brackish-water fish such as sturgeon .
 Atka mackerel, Pacific cod, sturgeon
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:
 Atka mackerel, Pacific cod, sturgeon