My Goldfish is getting black fins.

Samuel wrote and asked...

My gold fish is getting black on its fins. what could be wrong with it?

Goldfish Care

Samuel in most cases their is nothing to worry about goldfish will change colors, you may want to check the water and make sure you ammonia levels are correct.

See more here http://answers.yahoo.com/question/index?qid=20061029101355AA813hG

and here  http://www.goldfishcareinformation.com/2008/04/black-spots-on-goldfish.html