Disc rhomboidal much broader in adult than in embryos, anterior margins of disc double convex, angular margin rounded, snout displaying an apical lobe, eyes and nostrils moderately large, mouth slightly arched with four papillae on floor, disc entirely smooth in embryos, heart-shaped scapular denticles developed in adult, smaller denticles along disc midline to tail base, outer margin of pectoral more or covered with spaced denticle, tail exhibiting a sting and covered by small denticles rather abundant at its base. Disc covered with large thick dark brown irregular rings often incomplete dorsally, central area of each ring yellowish, leopard-like rings, spots and rings largest over middle of disc, increasing posteriorly, decreasing towards disc margins, tail with dark spots similar in size of those in disc, covered with dark bands posteriorly to sting, ventral surface of disc and tail uniformly beige.