LIVETARGET offers two variations of the Trout Swimbait. The smaller size has the juvenile features of a Parr Trout. The color patterns reflect the light and dark appearances commonly found with this species. The Parr has a tight wiggle action. Freshwater. The Adult sized Trout is larger than its younger counter part, the Parr. It has a more developed profile and mature characteristics. The color patterns reflect the light and dark phases commonly found with Rainbow Trout. The Adult has a wide wobble action. Freshwater.