1. くじら   turtle   whale   clam   swordfish   Hint Half-n-half Clue   2. へび   lobster   dolphin   starfish   snail   Half-n-half Clue   3. かに   shark   oyster   crab   snail   Half-n-half Clue   4. まなてぃ   manatee   dolphin   clam   oyster   Half-n-half Clue   5. くらげ   jellyfish   oyster   starfish   shrimp   Half-n-half Clue   6. かめ、うみがめ   jellyfish   turtle   snail   shark   Half-n-half Clue   7. えび   oyster   starfish   lobster   crab   Half-n-half Clue