1. gai   snail   shark   manatee   clam   Hint Half-n-half Clue   2. kani   lobster   turtle   seal   crab   Half-n-half Clue   3. iruka   dolphin   starfish   sea urchin   octopus   Half-n-half Clue   4. same   dolphin   octopus   shark   swordfish   Half-n-half Clue   5. unagi   eel   snail   turtle   crab   Half-n-half Clue   6. kame、umigame   turtle   eel   snail   crab   Half-n-half Clue   7. kurage   seal   jellyfish   oyster   dolphin   Half-n-half Clue