1. sardina   fish   trout   sardine   shellfish   Hint Half-n-half Clue   2. crostaceo   crab   tuna   sardine   shellfish   Half-n-half Clue   3. pescecane   shellfish   crab   shark   salmon   Half-n-half Clue   4. sgombro   clam   tuna   mackerel   sardine   Half-n-half Clue   5. granchio   shrimp   salmon   crab   lobster   Half-n-half Clue   6. trota   tuna   crab   lobster   trout   Half-n-half Clue   7. tonno   mackerel   sardine   shellfish   tuna   Half-n-half Clue