Related Clues:

• Flat bottom
• High-class flounder
• Flat bottom?
• Certain seafood
• Only it is under a foot
• See 4
• Bob ate fish
• Fish gets trodden on
• A swimmer - the only one to be seen
• Unique piece of footwear
• One fish
• Just one - fish
• Fish - alone!
• Fish - only
• Only - fish