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Create Fish Patterns in Illustrator: Step-by-Step Tutorial

Cynthia Jul 13, 2026

Ever dreamt of creating intricate fish patterns using Adobe Illustrator? You're in the right place! This comprehensive guide will walk you through the process, step by step, to help you design stunning fish patterns with ease.

Create a Repeating Pattern in Illustrator using Texture | Mel Armstrong | Skillshare
Create a Repeating Pattern in Illustrator using Texture | Mel Armstrong | Skillshare

Before we dive in, ensure you've got Adobe Illustrator CC installed on your system. If you're new to Adobe, fear not! This guide assumes no prior knowledge of the software. Let's embark on our fishy adventure!

four different types of fish are shown in this illustration, one is blue and the other is red
four different types of fish are shown in this illustration, one is blue and the other is red

Setting Up Your Artboard and Making Initial Shapes

Launch Adobe Illustrator and create a new document. You can set your artboard size based on your desired fish pattern's dimensions. For now, let's keep it simple and go with A4 (8.27 x 11.69 inches).

Thomas Heinz
Thomas Heinz

Now, let's create our fish shape. Drawing tools to remember include the Ellipse Tool (L) to make circles for the eyes and body, and the Rectangle Tool (M) for the body and fins. You can find these tools in your Toolbar on the left.

Shaping Your Fish Body

Procreate Tutorial - How to Create Perfectly Symmetrical Illustrations in Procreate — CatCoq
Procreate Tutorial - How to Create Perfectly Symmetrical Illustrations in Procreate — CatCoq

Begin by drawing an elongated oval using the Ellipse Tool. To create a smooth, rounded shape, hold Shift as you drag. This constrains the proportions. Next, use the Selection Tool (V) to reposition and resize it if needed.

Use the Direct Selection Tool (A) to edit individual anchor points. Pull the left and right handles to create bulging sides for a puffy body. Copy and paste this shape to make the tail, and tweak the size and bulge.

Adding Fins

an image of colorful fish on a white background with the words, rainbows and fishes
an image of colorful fish on a white background with the words, rainbows and fishes

Use the Rectangle Tool to draw a small, flat shape for the dorsal fin. Position it along the body's spine. Duplicate and reshape this fin for the pelvic, anal, and tail fins. Remember, fish fins come in many shapes and sizes!

Group (Ctrl + G) all your fins together to keep them organized. Duplicate this group to create a symmetrical fish pattern, and mirror the image (Effect > Warp > Arc) to create a realistic, flowing effect.

Creating Textures and Patterns

four different types of fish on a white paper with blue ink in the shape of an arrow
four different types of fish on a white paper with blue ink in the shape of an arrow

Now that we've got our fish shape, let's add some vibrant patterns. First, lock the visibility of our fish shape (Shift + M) so we don't accidentally alter it. Open a new document for our pattern.

Basic Patterns

Green geometric pattern hand painted by artist Ashleigh Fish
Green geometric pattern hand painted by artist Ashleigh Fish
Block Print Fish Repeating Pattern on Procreate
Block Print Fish Repeating Pattern on Procreate
a blue and white fish pattern is shown in this image, it looks like they are going
a blue and white fish pattern is shown in this image, it looks like they are going
an assortment of colorful fish on a white background
an assortment of colorful fish on a white background
Mable Tan Designs
Mable Tan Designs
Excellent examples of 2D design
Excellent examples of 2D design
a blue and white drawing of many fish
a blue and white drawing of many fish
line fish in adobe illustrator on a pink background with the words, line fish
line fish in adobe illustrator on a pink background with the words, line fish
an orange and white fish pattern on a white background
an orange and white fish pattern on a white background

Using the Ellipse and Line Segment Tools (\), create simple shapes to form your pattern. Color them in using the Paint Bucket Tool (K). Once you're happy, select all, go to Object > Pattern > Make, then click on the Pattern Options button.

Choose a pattern type – 'Tile' for repetitive geometric patterns, or ' samblet' for diverse, scattered patterns. Adjust theWEB column and row as needed, then click 'Done'. You can now add this pattern to your fish!

Gradients and Effects

How about some fancy gradient colors to bring your fish to life? Create a new rectangle, fill it with a linear or radial gradient using the Gradient Tool (G). Copy this and add it to your fish. Control the Opacity to add depth.

Let's add a touch of realism! Use the Roughen (Ctrl + R) or Zig Zag (Effect > Distort & Transform) tools to rough up your pattern's edges and make it pop. Apply a slight Drop shadow (Effect > Stylize) to create dimension.

There you have it! You've created a stunning fish pattern in Adobe Illustrator. Remember, the sky's the limit with patterns. Experiment with different shapes, colors, and effects to create truly unique designs.