Wow, the calorie of roasted bullfrog is per100g 1 17 calories. Bullfrog is a large edible frog, also known as American water frog. It is native to North America and is widely planted. It has the characteristics of fast growth, abundant output and huge volume. Its body length is 70- 170 mm, its body surface is smooth, and its back is mostly green with brown spots. It lives in lakes, ponds and other waters and likes to live by ponds.