1. feng yin   whale   seal   sea urchin   jellyfish   Hint Half-n-half Clue   2. mu li   oyster   whale   crab   lobster   Half-n-half Clue   3. zhang yu   octopus   seal   mussel   snail   Half-n-half Clue   4. hai dan   octopus   turtle   jellyfish   sea urchin   Half-n-half Clue   5. sha yu   clam   shark   manatee   octopus   Half-n-half Clue   6. jian yu   swordfish   otter   dolphin   oyster   Half-n-half Clue   7. [xia;ha]   turtle   snail   eel   shrimp   Half-n-half Clue