Learning how to draw a starfish is not the same as drawing a neat five-pointed star. A real starfish, also called a sea star, has arms that bend, widen and change direction. One may be shorter than the others, while another may curl over a rock or disappear into shadow.
Rather than beginning with a circle and dividing it into five equal sections, I draw the spaces between the arms. This makes it easier to observe the starfish in front of me instead of replacing it with a familiar symbol.
You can use this approach with pencil, pen, charcoal, watercolour or any other medium. Keep your first marks visible. If an angle changes as you look more carefully, add another line and allow the first to remain as a thought line.
Choose an imperfect starfish
Look for a reference in which the starfish rests naturally on sand, rock or the seafloor. An overhead view is the clearest place to begin, but the animal should not look completely flat.
A starfish crossing an uneven surface will give you more to observe. One arm may lift, another may turn sideways and parts of the body may cast small shadows underneath.
Avoid choosing a dried souvenir starfish if you want to draw a living animal. These are often rigid, bleached and arranged into an unnaturally perfect shape. A living starfish will usually have more variation in its arms, surface and colour.
Make sure the reference is large enough for you to see the edges and at least some of the texture. My guide to finding an animal drawing reference can help you choose an image that provides useful visual information.
Draw the first space between two arms
Begin with one of the gaps between the starfish’s arms.
Look at the empty space rather than the animal itself. Does the gap open widely or remain narrow? Is it deep and rounded near the centre, or does it form a shallow turn between two arms?
Draw one side of that space as it travels inward. When it reaches the deepest visible point, allow the line to turn and travel outward along the neighbouring arm.
With this single movement, you have begun two arms without outlining either of them completely.
Do not worry about where the other arms will fit. Concentrate on the particular space you are drawing. If it is narrower than expected, record that. If the inward turn is off-centre, leave it that way.
A real starfish does not need five evenly arranged gaps.
Continue from one negative space to the next
Move around the animal and draw the next space between the arms.
Compare it with the first. It may be longer, wider or tilted in another direction. The adjacent arm may narrow quickly or remain broad almost to its tip.
You can rotate your sketchbook as you work if that helps your hand follow the edge with more confidence. Rotating the page does not make the drawing less observational. You are simply placing your hand in a position where it can respond more freely.
Continue moving around the starfish, drawing one gap at a time. Each negative space will establish another pair of edges.
Eventually, these separate observations will begin to meet. You may find that your final arm does not return perfectly to the first line. Add another contour where needed rather than forcing the edges together.
The small disagreement between lines can make the outline feel natural and changeable.
Let every arm have its own direction
Once all the negative spaces are present, look along the full length of each arm.
The arm should widen as it approaches the central body, but the transition may be gradual on one side and more abrupt on the other. Its tip may be rounded, blunt, pointed or partly hidden.
Avoid correcting all five arms into matching tapered forms.
One arm might bend to the side. Another may shorten because it points slightly toward you. An arm crossing a raised stone may appear narrower where it turns away from the light.
Strengthen the contours that communicate these differences. Leave less important edges open or broken.
At this stage, your starfish may look less orderly than the simple icon you are accustomed to seeing. That irregularity is useful. It shows that the drawing came from a particular animal in a particular position.
Find the centre without drawing a circle
The central area should emerge from the way the arms connect.
Look for the point where the surface begins to spread outward in five directions. You may see a small central marking, a change in texture or a shift in colour, but you do not need to enclose this area.
Instead, draw a few marks that travel from the centre into the arms. These can help connect the animal and prevent the arms from looking like five separate pieces.
If the starfish is viewed at an angle, the centre may not appear halfway between all the tips. It can sit closer to one side because of perspective. Trust the reference rather than moving it toward the geometric centre of your drawing.
Make the texture travel along the arms
Dots scattered evenly across the body will make the starfish look decorated rather than textured.
Begin by identifying the largest surface differences. There may be raised bumps, rows of small plates, darker patches, spines or areas where the colour changes gradually.
Notice whether these features follow the length of the arms, cross them or gather near the centre. The texture should respond to the direction and turning surface of the animal.
I begin with a few of the most noticeable marks. As they move toward the tip of an arm, I make them smaller, closer together or less distinct according to the reference.
Near the centre, marks may overlap or appear denser because several directions meet. Allow this area to carry more visual weight without filling every empty space.
With pencil or charcoal, broad changes in value should come before individual bumps. With pen, I vary dots, short lines and irregular patches. With watercolour, I allow broad colour changes to establish the surface and add only a few sharper accents after they dry.
Leave some areas quiet. Texture becomes more convincing when it is concentrated rather than applied equally across the entire animal.
Use the surface beneath it to show thickness
A starfish may look flat if you draw only its upper outline and pattern.
Look for shadows where the arms touch the sand or rock. These may be narrow and dark near the centre, then soften as an arm lifts away from the surface.
Add a few of these contact shadows rather than outlining the entire underside. A dark mark beneath one edge can make that arm appear raised. A broader shadow near the centre can give the starfish weight.
The surrounding surface can also interrupt the outline. Sand may cover part of an arm, or the texture of a rock may merge with the edge. Allow these overlaps to remain visible.
You do not need to draw a complete underwater scene. A few surrounding marks can place the starfish without distracting from it.
Do not correct it into symmetry
As the drawing develops, you may feel tempted to lengthen a short arm or adjust the spacing until the starfish looks balanced.
Before changing it, compare the drawing with your reference. The unevenness may be accurate.
If a real correction is needed, place the new line directly beside the old one. These thought lines are particularly effective around a starfish because its rough texture can absorb them naturally.
You can also repeat a contour where an arm changes direction. The additional mark may suggest the edge turning, the animal moving or water passing over its surface.
Understanding how to draw a starfish comes from observing these small differences rather than memorising a five-pointed outline. Draw the spaces, follow the individual arms and let texture reveal the surface gradually.
You can continue filling your sketchbook with subjects from my collection of sea animal drawing tutorials.