Possible Clues:

• Fish page left in dish
• It's flat
• 'Hundreds over one's flat foot makes this so fishy (5,4)'
• Mediterranean Sea catch
• North Sea catch of the day
• Fish commonly prepared à la meunière
• Fish delivery sets distribution limits
• Catch peacemaker with small opening part
• Fish ration covering back of leaf
• One side of coin given in benefit — there's a catch