Possible Clues:

• One of those in The Abbey cast is on a seafood diet
• Sea bottom dweller caught for food
• Fleshy aquatic vertebrate with a big mouth
• Seafood type
• One of those in The Abbey cast is on a pescatarian diet
• 24 across and 10 across on a seafood diet perhaps
• Prior catch for dinner on Good Friday?
• Another name for the angel shark
• Swimmer; mosh fink (anag.)
• Angel shark - seafood