Sushi bar fare (3)
I believe the answer is:
eel
'sushi bar fare' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for eel that I've seen before include "Large elver" , "Fish in the Lee?" , "Slithery fish" , "Serpentine fish" , "Slippery figure" .)