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Streams and creeks that were polluted , dammed , or silted up often became too warm to hold native brook trout , and were colonized by transplanted smallmouth bass and perch or other introduced salmonids such as brown and rainbow trout .
 animal: smallmouth bass; food: perch
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: smallmouth bass, perch 
Answer:
 animal: smallmouth bass; food: perch