....... "Daves' Rare Aquarium Fish" in San Antonio has them often. I have been to the shop often. Nicest, knowledgeable guy your gonna meet in this buisness. Shop is no frills wall to wall tanks of cichlids and holey rock. I am certain you wouldn't be disappointed. :fish:
Do you absolutely have to have F0's? They can be bred pretty easily so no reason not to get some captive bred specimens. It's also more environmentally friendly to buy captive bred, if that matters to you at all. Another thing that might make a difference is captive bred will be considerably less expensive than wild caught.