Under Water Escape

123456
Across
  1. 4. They have backbones , so fish are...
  2. 6. is the largest animal known to have ever existed
Down
  1. 1. Which male underwater creature carries their unborn young in his pouch?
  2. 2. What is the largest fish?
  3. 3. Sri Lanka hosts 5 of the world's 7 sea species of this
  4. 5. Most fish aren’t able to blink because they don’t have.