Possible Clues:

• Cut back severely on fish
• Doing backstroke, swim round lake with fish — this one?
• Fish sauce tipped over vegetable
• Fish and chip dish cooked with lard
• Doing backstroke, swim round lake with fish - such as this
• Small oily fish
• Sauce put over vegetable or fish
• Fish speed northward forcefully
• Fish magazine turned up with great effort
• Cut around tough fish