This is the ad I found online while searching for information on them. My local petstore has them and I have seen them in person but the employee's didn't know much about them either. So far other than this ad I haven't been able to find out much.
"Hi, The latest craze in the fish market. Super red danio's. These fish are NOT hormoned or injected, will NOT loose color and do NOT need any special lighting to show there color. They are bred this way and is genetically bred this way. Many available, auction is for one. live arrival guaranteed. Picture does these fish no justice, hot dayglo red / pink !!! Thanks, TFD FISH. /
www.tfdfish.com or call toll free at 1-877-229-2300. "