I count 48 varieties at Sustainable Aquatics' website. (I guess we'll have to take them at their word.)
'Designer clownfish' that sell for thousands are this Madison company's specialty. (Capital Times, 12/5/2016)
Clownfish have been an in-demand pet for years, but it wasn't until the past decade or so that designer breeds truly began to take off, according to Epp. That's when an increasing number of companies began to breed the fish in captivity, instead of fishing them out in the wild. The boost of in-captivity breeding yielded many of the exotic flavors of clownfish that populate the market today.