Lobsters have pale blue blood. See more

The blue whale has a heart the size of a small car and its blood vessal is so broad, that a person could swim through it. See more

It has been calculated that a single breath from a mature blue whale can inflate up to 2000 balloons. See more

Blue and fin whales can create the loudest sound by animals ever recorded. See more

A tuna called the 'Blue Fin' can be sold for over $20,000 around the world. See more