1. lontra   eel   crab   clam   otter   Hint Half-n-half Clue   2. manati   snail   manatee   turtle   oyster   Half-n-half Clue   3. carangueijo   crab   swordfish   turtle   starfish   Half-n-half Clue   4. estrela-do-mar   sea urchin   jellyfish   otter   starfish   Half-n-half Clue   5. ouriço-do-mar   shark   sea urchin   lobster   dolphin   Half-n-half Clue   6. foca   oyster   seal   octopus   eel   Half-n-half Clue   7. mexilhão   oyster   octopus   clam   mussel   Half-n-half Clue