The fish that looks like the swordfish with scales on its tail is the blue jumbo fish. According to the relevant public information, it is known that the fish similar to the swordfish is the blue jumbo fish. If you want to distinguish between the two, you can look at their body size. The swordfish is thin and round. The blue jenny is thicker and flatter. Their dorsal fins are also different; the swordfish has 5-6 small fins, while the blue jenny has two dorsal fins that are farther apart.