Related Clues:

• They lack 21 down, being in line by the sound of it
• Put your oar in, by the sound of it, for the eggs
• Are eggs one way to keep the boat going, by the sound of it?
• Sounds as if one might have an oar for them in hte water
• Or it sounds as if one might need one to do this, by the sound of it, for the eggs
• Her ring with this, or need one to do this, by the sound of it
• They may get to be a little fishy
• By the sound of it, take the boat to where it's all a little fishy
• Eggs served raw
• Sounds as if such eggs will get the boat moving
• Caviar, e.g
• Microsturgeons?
• Masago, e.g., at a sushi bar
• Sea food
• Sushi roll garnish