What the heck is that? It's a gold largemouth bass! No, really... What the heck is that? It's a gold largemouth bass! As reported on Bassmaster.com, Jeff Puckett caught a golden colored bass at Titusville's Fox Lake in September of 2015. Apparently this is the result of a very rare genetic mutation called xanthism, but has happened in several other places in recent months. Read the bassmaster article for more details.