Step 1: Begin with a triangle shaped head and add a barb on the smaller part where the triangle narrows.
Step 2: Next you'll draw in the other barb, making it smaller than the other and crooked.
Step 3: Then you'll add the eye above the barbs.
Step 4: Next draw the elongated body, leaving a space for the tail fin and a small, thin fin near the center of the belly.
Step 5: Then draw in the small top fin and the longer bottom fin, making sure to draw in the lines on both.
Step 6: Lastly, draw in the tail fin in the space you left in the body, including the lines for the fin.
How to Draw a Realistic Catfish – Step-by-Step Tutorial