There are over 25,000 identified species of fish on the earth, but there may be over 15,000 fish species that have not yet been identified.  

There are more species of fish than all the species of amphibians, reptiles, birds and mammals combined.

December 21, 2011 | Categories: From the Gremlin

There are more species of fish than all the species of amphibians, reptiles, birds and mammals combined.