5171
Risks were evaluated for three components of the ecosystem : benthic invertebrates , a bottom - feeding fish ( shorthorn sculpin , Myoxocephalus scorpius ) , and a diving seabird ( black guillemot , Cepphus grylle ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None