Small marine food fish of the salmon family (5)
I believe the answer is:
smelt
(Other definitions for smelt that I've seen before include "sensed as fishy?" , "18 [EXTRACT] metal" , "Small silvery fish" , "23 [FISH]" , "Produce metal by heat" .)
I believe the answer is:
smelt
(Other definitions for smelt that I've seen before include "sensed as fishy?" , "18 [EXTRACT] metal" , "Small silvery fish" , "23 [FISH]" , "Produce metal by heat" .)