It depends on what kind of eel
For example, Moray eels eat fish, mollusks, and shrimp.
When a writer attempts to describe something so that it appeals to our sense of smell, sight, taste, touch, or hearing
I'm fairly certain it's the first answer but it may be the third answer as well but I believe it's the first more though.
Sherburn describes humanity as being cowardly because of the bob-mentality he has.
hope this helps