Related Clues:

• Stank
• Herring's cousin
• Extract iron from ore
• Roe provider
• Rid of impurities
• Upstream swimmer
• Marine fish prized for its roe
• Atlantic catch
• Do refinery work
• A source of roe
• Work with ore
• Columbia River spawner
• Do some metallurgy
• Edible herring
• Type of fish