Here is a few interesting fishy facts for you.
There are over 25,000 identified species of fish on the planet with more being found all the time.
There are more species of fish than all the species of amphibians, reptiles, birds and mammals combined.
0.01% of the earth's water is fresh water and yet 40% of all fish species inhabit fresh water.
Some species of fish can breath air, usually to allow them to survice bad conditions or move from pond to pond.
Some fish can make noise some by grating their teeth and some make noises from their air filled swim bladder.
To navigate in cloudy or murky water fish have their lateral line which acts something like a radar.
The great whale shark is the largest fish in the world it can reach fifty feet in length.
The stonefish, which lives off the coast of Australia, is the most poisonous fish in the world.
The lung fish can live out of water for as long as four years!
A newly hatched fish is called a "fry."