1. umizarigani, rofusutaa   salmon   sardine   cod   lobster   Hint Half-n-half Clue   2. kani   sardine   crab   clam   salmon   Half-n-half Clue   3. maguro   tuna   fish   crab   mackerel   Half-n-half Clue   4. sake   lobster   salmon   shellfish   tuna   Half-n-half Clue   5. gai   salmon   crab   shellfish   shark   Half-n-half Clue   6. saba   shellfish   lobster   mackerel   clam   Half-n-half Clue   7. iwashi, sadein   shrimp   crab   shellfish   sardine   Half-n-half Clue