1. 獺   snail   otter   turtle   shrimp   Hint Half-n-half Clue   2. 海老, 蝦   jellyfish   whale   shrimp   swordfish   Half-n-half Clue   3. 蛸   sea urchin   clam   octopus   dolphin   Half-n-half Clue   4. 貝   swordfish   jellyfish   turtle   clam   Half-n-half Clue   5. 亀，海がめ   turtle   swordfish   clam   dolphin   Half-n-half Clue   6. 海月,水母   sea urchin   lobster   jellyfish   whale   Half-n-half Clue   7. 陳   shrimp   shark   octopus   swordfish   Half-n-half Clue