Related Clues:

• Fish off Nova Scotia
• Oil source
• Variety of herring
• Soft-rayed food fish
• Massachusetts' Cape ___
• See 6-Across
• Certain herring
• Bait fish
• Like some pymts.
• One way to ship
• Stamp on a package
• See 21-Across
• New England catch
• Seafood selection
• Letters on a package