Originally imported from the U.S., bull frogs have been studied intensively in Taiwan over the past 50 years to find out more economical ways of breeding them.
在陸地上時，皮膚必須靠其豐富的皮腺，不斷分泌粘液，保持濕潤，以避免因乾燥而受損。牛蛙與青蛙習性相似。