Selective breeding involves choosing tangs with the desired traits and breeding them together to produce offspring with those same traits. Over multiple generations, this process can result in tangs that are significantly smaller than their wild counterparts.
Super small regal tangs are becoming increasingly popular in the aquarium hobby as they are easier to care for and require less space than larger tangs. However, it's important to note that selective breeding can also lead to health issues and reduced genetic diversity, so choosing reputable breeders who prioritize the well-being of their fish is important.