1. うなぎ   eel   jellyfish   turtle   octopus   Hint Half-n-half Clue   2. かき, しんじゅがい   oyster   clam   otter   crab   Half-n-half Clue   3. うに   eel   sea urchin   shrimp   clam   Half-n-half Clue   4. たこ   starfish   octopus   sea urchin   lobster   Half-n-half Clue   5. さめ   shark   whale   crab   eel   Half-n-half Clue   6. いるか   oyster   shark   dolphin   clam   Half-n-half Clue   7. くらげ   jellyfish   sea urchin   shrimp   clam   Half-n-half Clue