1. 蛇   jellyfish   sea urchin   oyster   snail   Hint Half-n-half Clue   2. 海月,水母   shrimp   octopus   jellyfish   clam   Half-n-half Clue   3. 鮫   shark   swordfish   otter   clam   Half-n-half Clue   4. 海豚 　   dolphin   clam   snail   shrimp   Half-n-half Clue   5. 海老, 蝦   sea urchin   swordfish   jellyfish   shrimp   Half-n-half Clue   6. 海胆、 雲丹   oyster   clam   sea urchin   dolphin   Half-n-half Clue   7. 陳   dolphin   swordfish   oyster   clam   Half-n-half Clue