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If the playa is wet for a month or so , the shallow waters teem with fairy shrimp , or anostraca born of eggs that lie dormant in the silt crust for long periods of time - sometimes for many years .
 animal: anostraca
Please list all entity words in the text that fit the category.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} 
Answer:
 animal: anostraca