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Best Answer: Usually common Betta's are very cheap. Ranging from $2.00 to $7.00, but they're are two very expensive breeds. The Western Blue devil is around $600.00 and the Marine Betta is about $70.00.
So, How Often Do You Feed A Betta Fish? One of the biggest things to keep in mind with betta fish is that just like with other fish, they are prone to overfeeding. Fish may be awesome pets, but they definitely are not the smartest creatures out there, and that means that they will continue eating and eating until they pretty much blow up.