Draw a large oval for the body
Add a smaller circle or oval for the head
Sketch a pointed snout at the front
Draw a curved line for the back
Add a tapered tail shape at the rear
Connect the head and body with smooth lines
Draw a dorsal fin on top of the body
Add a pectoral fin near the head
Draw a pelvic fin underneath the body
Add an anal fin near the back underside
Sketch the tail fin with two pointed lobes
Draw a round eye on the head
Add a curved mouth line
Draw gill lines behind the eye
Add scale lines or texture across the body
Refine the outline and erase extra sketch lines
Shade or color the bass fish as desired