831
The Common Roach is present in large numbers and took around ten years to colonise the entire lake , thereby replacing the bleak .
 animal: Common Roach
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: Common Roach