1. pescecane   shellfish   crab   clam   shark   Hint Half-n-half Clue   2. gamberetto   shrimp   crab   tuna   shellfish   Half-n-half Clue   3. crostaceo   shrimp   shark   crab   shellfish   Half-n-half Clue   4. merluzzo   shrimp   clam   lobster   cod   Half-n-half Clue   5. trota   trout   shark   cod   tuna   Half-n-half Clue   6. sardina   cod   sardine   shark   shellfish   Half-n-half Clue   7. granchio   crab   tuna   lobster   sardine   Half-n-half Clue