Related Clues:

• Small, silvery food fish
• Do a mining job
• Knocked someone out, say
• Extract metals from by heating
• Little silvery fish
• Extract metal from ore
• Oily fish
• Fuse, as ore
• Offended the nose
• Take the lead from?
• Walleye prey
• Small fry?
• Heat in a blast furnace
• Got a whiff of some fish
• Fish wasn't fresh