63767
Less often kept than their relatives the triggerfish and puffers , there are many filefish that make good aquarium residents , and a few that require specialized diets , making it hard to sustain them in an aquarium .
 triggerfish
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:
 triggerfish