800
In the Indian Ocean it is replaced by the yellow teardrop butterflyfish ( " Chaetodon interruptus " ) , now a separate species but previously considered a subspecies of " Chaetodon unimaculatus " .
 location: Indian Ocean
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Indian Ocean