The river is home to some species of white fish.

No other river is home to so many species of very large fish.

Over 30 species of fish have been found in the river.

Many species of fish can be found in the area.

Since the 1970s it has become one of the world's more important commercial fish species.

Usually they share their environment with few or no other fish species.

The river as a whole is home to seven fish species of concern.

The pieces become all the other fish species of the river.

There are more than 30 species of fish found in the lake.

Example: certain species of fish may change from male to female during their life.