Draw an oval for the fish body
Add a smaller circle near the front for the head area
Sketch a tail fin on the back (two angled triangles or a sideways “V”)
Add the top and bottom fins using curved triangles
Draw the eye on the head (small circle with a smaller pupil)
Add a curved mouth line beneath the eye
Outline the fish with a smooth outer contour
Add gill lines behind the head (short curved strokes)
Draw scales or simple curved lines along the body (optional)
Add stripes or patterns (optional)
Erase extra guide lines
Darken the final outline
Color the fish (optional)