127447
By the 1960 s , much of the lower river was essentially a turbid hypoxic dead zone , with only the hardiest of species , such as the mummichog , able to survive in its waters .
 animal: mummichog
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: mummichog 
Answer:
 animal: mummichog