Sea Animal Crossword Puzzle

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Across
  1. 5. – a sea animal with a hard shell that protects its body.
  2. 6. a heavy object used to stop a boat from moving.
  3. 9. a small sea animal shaped like a horse.
  4. 11. a hard outer cover of some sea animals.
  5. 12. a large sea fish with sharp teeth.
Down
  1. 1. a sea animal shaped like a star with five arms.
  2. 2. a soft, floating sea animal with long tentacles.
  3. 3. a sea animal with eight arms and a soft body.
  4. 4. a very large sea animal that breathes air.
  5. 7. a sea animal that can swim well and rest on land.
  6. 8. a sea animal with a hard shell and two claws.
  7. 10. a reptile that lives in water or on land and has a shell.