Draw a long, streamlined shark body with a thick torso
Sketch a large triangular dorsal fin on the back
Add a broad tail fin with a strong crescent shape
Draw two large pectoral fins near the front sides
Add smaller pelvic and anal fins underneath the body
Sketch a wide head with a blunt snout
Draw a large mouth line extending across the lower front of the head
Add several rows of sharp triangular teeth
Draw small, dark eyes near the upper front of the head
Outline the gill slits behind the head
Refine the body into a powerful, muscular shape
Add subtle curves along the back and belly
Draw a rough skin texture with light shading
Darken the top of the body and keep the underside lighter
Clean up the sketch and emphasize the final outline