1. dolphin   camarón   tortuga marina, carey   anguila   delfín   Hint Half-n-half Clue   2. eel   manatí   langosta   medusa   anguila   Half-n-half Clue   3. jellyfish   cangrejo   medusa   ostra   anguila   Half-n-half Clue   4. mussel   caracol   tortuga marina, carey   mejillón   ballena   Half-n-half Clue   5. lobster   manatí   camarón   ostra   langosta   Half-n-half Clue   6. seal   almeja   foca   anguila   nutria   Half-n-half Clue   7. sea urchin   delfín   caracol   almeja   erizo de mar   Half-n-half Clue