1. sea urchin   foca   erizo de mar   langosta   ballena   Hint Half-n-half Clue   2. shark   mejillón   cangrejo   tiburón   ballena   Half-n-half Clue   3. otter   cangrejo   camarón   pez espada   nutria   Half-n-half Clue   4. snail   caracol   langosta   ballena   camarón   Half-n-half Clue   5. lobster   cangrejo   pulpo   langosta   medusa   Half-n-half Clue   6. shrimp   tortuga marina, carey   camarón   pulpo   almeja   Half-n-half Clue   7. clam   ballena   almeja   tiburón   tortuga marina, carey   Half-n-half Clue