Long, predatory fish (3)
I believe the answer is:
eel
(Other definitions for eel that I've seen before include "Large elver" , "Slender fish" , "Evasive type" , "slipper" , "Slippery creature" .)
I believe the answer is:
eel
(Other definitions for eel that I've seen before include "Large elver" , "Slender fish" , "Evasive type" , "slipper" , "Slippery creature" .)