9363
During the year 1866 , ships of various nationalities sight a mysterious sea monster , which , it is later suggested , might be a gigantic narwhal .
 animal: narwhal
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: narwhal