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Fish -- both wild and domestic -- can be divided into two categories: saltwater and freshwater. Freshwater fish live in fresh bodies of water (like lakes, streams and rivers) rather than oceans, or other bodies with a high salt content. Freshwater fish can be are popular in recreational sport fishing (such as with trout and salmon) and many species, both warm-water and cold-water, are raised and bred to be kept as aquarium pets.


Although you may not think of those lowly little carnival fish as being long-lived, a well cared-for goldfish can live as long as twenty years or longer! Not to mention, goldfish grow their entire lives, and will continue growing to the size of their tank!

 

 
 
Click on the individual fish on the left hand columjn to get more cool facts.