It probably captured its prey by flapping its graspy bits toward one another, forcing its helpless victims into its anus shaped mouth. Capinatator may have only been four inches long, but it still would have been a terrifying sight to small marine critters alive at the time, according to study co author Jean Bernard Caron. The large body size and high number of grasping spines in C. Earlier forms like this one might have prowled closer to the seafloor, and been larger than their contemporaries. Obviously, more fossil specimens from the same time period could help confirm or refute that idea. But more importantlydang, look at that anus eye. Current Biology. One of my beefs with car cultureparts of it, at least, not all of itis the way it emphasizes the biggest and the best. Especially in America, where horsepower.