1. fish   tonno   salmone   crostaceo   pesce   Hint Half-n-half Clue   2. sardine   tonno   sgombro   sardina   pescecane   Half-n-half Clue   3. crab   trota   crostaceo   tonno   granchio   Half-n-half Clue   4. lobster   aragosta   trota   pesce   pescecane   Half-n-half Clue   5. salmon   salmone   granchio   merluzzo   aragosta   Half-n-half Clue   6. shellfish   aragosta   salmone   pescecane   crostaceo   Half-n-half Clue   7. trout   trota   sardina   granchio   aragosta   Half-n-half Clue