The spiny butterfly ray has many features that make it unique compared to other rays. It's fins are very short and blunt, as well as it's snout. The tail is very short and skinny compared to other rays, but still has small spines. It's color is dark brown to tannish on top and cream white below. It also has small dark spots on it's top. The biggest size ever recorded was 7ft 3 as it's disk width. The maximum weight is 130 lbs.