A shark with a muscular and robust body, with worn scales and deep scars running

A shark with a muscular and robust body, with worn scales and deep scars running across its skin. His eyes are small and sinister, giving an impression of evil. The teeth are long and sharp., with a macabre glow. His mouth is slightly open, showing a row of tearing teeth. Instead of normal fins, You can add details like torn edges or scars on them to accentuate their menacing appearance.. Add shadows and dark effects to intensify the evil look