1. 蛤蜊   swordfish   eel   shark   clam   Hint Half-n-half Clue   2. 鳗鱼   crab   snail   shark   eel   Half-n-half Clue   3. 海星   starfish   turtle   swordfish   dolphin   Half-n-half Clue   4. 鲨鱼   shark   sea urchin   crab   lobster   Half-n-half Clue   5. 海豚   manatee   dolphin   turtle   lobster   Half-n-half Clue   6. 水母   crab   shark   jellyfish   otter   Half-n-half Clue   7. 螃蟹   dolphin   oyster   turtle   crab   Half-n-half Clue