In this drawing lesson we’ll show you how to draw a Sea Urchin in 6 easy steps. This step by step lesson progressively builds upon each previous step until you get to the final rendering of a sea urchin. Follow along with the how to draw a sea urchin drawing guide below by sketching the red portion of each of the six steps, super easy!
Before we begin the How To Draw a Sea Urchin drawing lesson, here are some fun facts about these unique animals you might find interesting, especially for kids.
- Sea urchins are spiny marine animals that live on the ocean floor.
- They have a hard shell called a test, which is covered in sharp spines for protection.
- Sea urchins move around using tiny tube feet that help them grip surfaces.
- Their mouths are located on the underside and contain a structure called Aristotle’s lantern for scraping food.
- Sea urchins mainly eat algae, helping to keep coral reefs and rocks clean.
- Some sea urchins have colorful spines that can be purple, red, or green.
- They can live in both shallow coastal waters and deeper parts of the ocean.
- Sea urchins are known to live for a long time, with some species living up to 30 years.
- Predators of sea urchins include sea otters, crabs, and certain types of fish.
- Sea urchins play an important role in marine ecosystems by controlling algae growth and providing food for other animals.
How To Draw a Sea Urchin – Quick and Easy Step-by-Step Drawing Guide
Step 1: Begin by drawing the circular body of the sea urchin.

Step 2: Draw the large outer spikes next.

Step 3: Now you can draw more larger spines.

Step 4: …and more spines…

Step 5: Sketch in even more spines!

Step 6: Finally, draw the last of the spines!

Nice work, now that you’ve completed How To Draw A Sea Urchin considering adding some shading or coloring to make your sea creature look realistic! Use the picture below as a guide to shade or color your easy sea urchin drawing.

Congratulations!
You did it! Congratulations on drawing a Sea Urchin! Your first try may not have gone as perfectly as you had hoped, but I’m sure after another attempt or two you will see a big improvement. The best way to learn how to draw a sea urchin is with practice!
Are you looking for another unique ocean dweller to draw? How about learning how to quickly and easily draw a Cuttlefish?! Take a look here for another quick and easy drawing tutorial: How to Draw a Cuttlefish.














