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Mastering Fish Vector Design: Step-by-Step in Illustrator

Cynthia Jul 13, 2026

Illustrator, Adobe's powerful vector graphics editor, offers an array of tools that make it a fantastic choice for creating digital art, including fish illustrations. If you're eager to learn how to make a fish in Illustrator, you're in the right place. This comprehensive guide will walk you through the steps, ensuring your fish illustration is as engaging as a school of rainbow trout in a vibrant stream.

How to Draw a Realistic Fish for Beginners – Easy Step by Step 3D Guide
How to Draw a Realistic Fish for Beginners – Easy Step by Step 3D Guide

Before we dive in, it's essential to remember that Illustrator uses a vector-based system. This means your fish will scale flawlessly, whether it's a tiny drawn in a postage stamp or a giant on a billboard. With this in mind, let's create a simple but stunning fish illustration together.

como desenhar um peixe passo a passo !
como desenhar um peixe passo a passo !

Setting Up the Document and Basic Shapes

First, open Adobe Illustrator and create a new document. For our example, let's use a document that's 800px wide and 600px tall, with an RGB color mode.

DESSINER (L'Atelier de Jojo)
DESSINER (L'Atelier de Jojo)

Now, let's start with the basic shapes. We'll need an ellipse for the body and a circle for the eye. To draw an ellipse, use theEllipse Tool (L). Hold Shift to keep the ellipse proportional, then drag it to create the body of your fish.

Shaping the Fish's Body

Very Easy Fish Drawing For Kids # Shorts
Very Easy Fish Drawing For Kids # Shorts

Next, we need to create the pointy end of the fish. Grab the Pen Tool (P) and click at the point where you want the tail to begin. Then, click again to add another point. With both points selected, pull the handles to create the desired tail shape. Use the Direct Selection Tool (A) to adjust the points precisely.

Now, our fish needs some definition. Select the body, then go to the Pathfinder panel (Window > Pathfinder) and click on the Divide button. This will separate the body into different parts, allowing you to apply anchovies behind with the support of shadows.", "Why Do Fish need Shadows?" href="#">Learn more.

Scaling and Inverting for a Realistic Look

an image of a fish that is floating in the air with another fish flying above it
an image of a fish that is floating in the air with another fish flying above it

To give our fish a more lifelike appearance, let's add some shading. Duplicate the fish body, then scale it down slightly. Invert the color by pressing Ctrl/Cmd + I, and place it behind your original body. Use the Transparency panel (Window > Transparency) to adjust the opacity, creating a subtle shadow that suggests thickness.

In addition to the main body, we can add a few scales for more detail. Draw small ellipses, apply a radial gradient to each, and position them appropriately. Remember, when it comes to fish illustrations, the details make the character.

Bringing the Fish to Life with Color and Bubbles

How to Draw a Fish 🐠 | Easy Step-by-Step Drawing for Kids (Printable Worksheet)
How to Draw a Fish 🐠 | Easy Step-by-Step Drawing for Kids (Printable Worksheet)

Now that we have the basic shape, it's time to add color and life to our fish. Let's make it a vibrant koi with orange, white, and black hues.

For the koi's distinctive Japanese-inspired patterns, use the Paintbrush Tool (B) to create wavy lines and shapes. Apply a linear gradient to these lines, using colors that complement your fish's base color. This will bring dimension and character to your illustration.

How to Create a Detailed Goldfish Couple with Adobe Illustrator | Envato Tuts+
How to Create a Detailed Goldfish Couple with Adobe Illustrator | Envato Tuts+
How to Draw a Koi Fish
How to Draw a Koi Fish
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Easy Step-by-Step Guide to Drawing a Salmon for Beginners
Koi fish drawing tutorial!
Koi fish drawing tutorial!
the different types of fish are shown in this diagram
the different types of fish are shown in this diagram
How to draw a Fish in Adobe Illustrator - step by step
How to draw a Fish in Adobe Illustrator - step by step
an image of some type of webpage with fish on the page and in japanese
an image of some type of webpage with fish on the page and in japanese
How To Draw Doodles: 40 Step By Step Charts
How To Draw Doodles: 40 Step By Step Charts
How to Draw a Koi Fish
How to Draw a Koi Fish

Creating Bubbles

What's a fish without bubbles? To add bubbles around our creature, use the Ellipse Tool (L) to draw small circular or oval shapes. Give these shapes a gradient fill, with white at 0% opacity on one end and full opacity on the other. Scatter these bubbles around your fish, ensuring they're not too regular or symmetrical; chaos is the key to a natural, underwater look.

To create a sense of depth and motion, vary the size and opacity of your bubbles. Some can overlap, and some can be semi-transparent, casting a reflection on the surrounding bubbles and contributing to the overall watery effect.

Adding the Finishing Touches

Our fish needs a final touch of perfection. Use the Paintbrush Tool (B) to draw delicate feathers for the tail, adding a touch of elegance. Then, add subtle highlights and shadows to the eye, making it shine and sparkle.

Finally, group all the elements (fish body, eye, scales, bubbles, etc.) together by selecting them and pressing Ctrl/Cmd + G. This will ensure your fish stays together if you move or rescale the illustration.

And there you have it! Your stunning, eye-catching fish illustration is complete. Now, experiment with different shapes, colors, and gradients to create an entire school of unique, captivating fish. Happy illustrating!