Heru Cubera Popper Review Amazing Tuna Popper Designed for Long Casts in For Saltwater Conditions Heru Cubera Popper Review Heru Cubera Popper Lure Review Ocean Blue Fishing. Heru Tuna is a small faced popper, great for calm to moderate conditions and long distance casting. The smaller cup face means it can be worked fast & in calmer shallower water where fish may be spooky, can be just the lure to get results. A very versatile popper that should always be in your bag. It casts like a bullet and has a great action. A great lure for everything from GT??? s to Tuna to Kingfish. Features NT Belly Swivel and heavy duty wiring.