1. heiku, meruruusa   crayfish   hake   squid   anchovy   Hint Half-n-half Clue   2. nishin   cockle   kipper   prawn   herring   Half-n-half Clue   3. shitabirame   prawn   hake   sole   kipper   Half-n-half Clue   4. zake   kipper   oyster   crayfish   mullet   Half-n-half Clue   5. zarigani, iseebi   crayfish   oyster   whiting   anchovy   Half-n-half Clue   6. ika   prawn   mullet   whiting   squid   Half-n-half Clue   7. hotategai   anchovy   whiting   kipper   scallop   Half-n-half Clue