Tench. A small freshwater fish of the carp family found in European rivers. It has dark skin and a muddy flavour, like many carp. It is advisable to soak it in salt water for a few hours before grilling or frying.
Smooth hound. A type of dogfish, a large, long, thin marine fish with brown skin and very prominent fins, usually eaten as steaks. The fish should be skinned before it is cooked.