"There will be many studies now that go into different species."
Since then they have evolved into 14 species found nowhere else in the world.
Therefore, they put it into its own genus and species.
The two have different voices, leading to them being split into separate species in 2010.
Over time, isolated populations can branch off into new species.
There are currently more than 1000 different animals grouped into 200 species.
We call this natural selection, the process by which life forms evolve and develop into new species.
Some of those fish have evolved into new species.
Some of these have gone on to evolve into new species in their new home.
These have been assembled into 48 species and 18 serogroups.