How to Draw a Fish: Easy Step-by-Step Guide

Fish species on Earth: over 34,000 ·
Oldest known fish fossil: 500 million years old ·
Basic fish drawing shapes: oval, triangle, lines

Three key facts about fish anatomy set the stage for any drawing. Fish body shapes generally fall into oval, elongated, or disc-shaped categories. Most fish have between 3 and 7 fins, depending on the species. And every fish has key features: fins, scales, gills, and eyes.

How to draw a better fish?

Improve proportions and symmetry

The foundation of a better fish drawing lies in understanding basic anatomy and using simple shapes as a guide. Start by sketching a light oval or circle for the body — this establishes the core volume. wikiHow (step-by-step tutorial) recommends using an oval and a rectangle as initial guidelines before refining the form. The head-to-body ratio is important: most fish have a head that takes up about one-quarter to one-third of the total body length. Measure this visually with your pencil or by comparing against the oval you’ve drawn.

• Draw a light oval or circle for the body core
• Measure head-to-body ratio visually
• Keep the spine line curving gently from head to tail

Symmetry is what makes a fish look recognizable rather than lopsided. The dorsal fin on the top should mirror the pelvic fin placement on the bottom, even if they differ in size. BioWars (science education blog) emphasizes starting with circles to form the base of the body, which naturally creates symmetrical reference points.

“Understanding fish anatomy is the shortcut to drawing them convincingly: once you see the head-to-body ratio and fin placement, the species details start to make sense.”

Fisheries biologist, The Fisheries Blog

Add realistic fins and scales

Once the body shape is locked in, add the tail. Multiple beginner tutorials place the tail early in the process, often as a triangle, two tapered lines, or a wavy end. Instructables (DIY tutorial) describes the tail edge as a wavy line curving toward the center. After the tail, block in the dorsal fin (top), pectoral fins (sides), and pelvic fins (bottom). BioWars (science education blog) recommends adding fins after the body and tail are blocked in.

• Tail first: triangle, tapered lines, or wavy edge
• Dorsal fin on top, pectoral fins on sides
• Pelvic fins near the bottom, anal fin near the tail

For scales, the most common technique is to draw repeated half circles or backward “C” shapes along the body. Color Made Happy (art tutorial) adds scale detail by drawing repeated half circles along the body. wikiHow (step-by-step tutorial) uses backward Cs in its final steps. Spread these rows evenly, and make them smaller near the tail and larger near the middle of the body.

The pattern: the same 30-second anatomy check that fixes head-to-body ratio also gives young drawers a mental anchor for every later fish they sketch.

How to draw unique fishes?

Experiment with exotic species

The fish you draw doesn’t have to be a generic silhouette. Exotic species like angelfish, lionfish, and betta fish have dramatically different body shapes and fin structures that make for more interesting drawings. Art in Context (art education) frames its tutorial as a beginner aquatic drawing lesson, noting that even a simple arrowhead structure can become a recognizable fish with the right proportions.

For an angelfish, start with a tall, compressed oval — almost a disc shape. Lionfish require long, flowing pectoral fins with venomous-looking spines (draw these as a series of pointed lines radiating outward). Betta fish have large, fan-like tail fins that spread wider than the body itself. Use reference images from The Graphics Fairy (graphics resource) or similar sites to study the fin-to-body ratio of each species.

• Angelfish: tall, disc-shaped body with long dorsal and anal fins
• Lionfish: dramatic spiny fins that extend past the body width
• Betta: large, flowing tail fin — often wider than the body
• Goldfish: chubby body with a double tail fin

Incorporate patterns and colors

Once the shape is right, patterns and colors transform a basic drawing into a unique fish. Study the stripe patterns of clownfish, the iridescent spots of a rainbow trout, or the bold color blocks of a discus fish. Jae Johns (art instruction) recommends a friendly face style with a small circle eye and a curved mouth line, which works well for colorful aquarium fish.

Add personal style by exaggerating fin shapes — make the dorsal fin taller, or add wavy edges to the tail. The Graphics Fairy’s easy fish method starts by sketching the body with curved lines, leaving space for creative mouth and fin variations. Color your fish with colored pencils or markers after the linework is complete.

“Drawing fish is a low-stakes way to practice fine-motor control; kids get a recognizable result quickly, and the simple shapes leave room for their own choices.”

Art teacher and children’s drawing instructor

How to do easy fish?

Start with simple shapes

The easiest fish drawing relies on just three shapes: an oval for the body, a triangle for the tail, and a small dot for the eye. Easy Peasy and Fun (kids craft guide) begins its fish tutorial with two curved lines that create a fish shape — no more than a few seconds of pencil work. Arty Crafty Kids (children’s art) begins with a large oval body shape and then adds the tail and fins.

• Oval for body
• Triangle for tail
• Small dot or circle for eye

Crafty Morning (craft blog) uses a football-like body shape as the first step in its printable fish lesson. This approach is ideal for young children or anyone who feels intimidated by drawing — the shapes are familiar, forgiving, and instantly recognizable as a fish when combined.

Minimal details for beginners

Less is more when you’re just starting. Skip the scales, gills, and fin lines. Draw one pectoral fin as a small triangle on the side, and one dorsal fin on top. Jae Johns (art instruction) recommends a friendly face with a small circle eye and a curved mouth line — that’s all you need for a charming, simple fish.

For an even easier version, draw a small arch for the mouth (like a smile) instead of a separate line. Instructables (DIY tutorial) describes the fish mouth as a backward 3 shape. Add bubbles as a finishing detail — Easy Peasy and Fun (kids craft guide) includes bubbles in its final step. Crafty Morning (craft blog) ends with bubbles, an eye, and a dot on the body before coloring.

How to draw in 3 easy steps?

This three-step version keeps the same fish logic and cuts out every optional flourish.

1. Outline basic body: Sketch a large oval in the center of your paper, angled slightly in the direction the fish is swimming.
2. Add fins and tail: Attach a triangle to the back of the oval for the tail, then add a small triangle on top and another near the bottom for fins.
3. Detail with eyes and scales: Draw a small circle for the eye, a curved line for the mouth, and rows of backward “C” shapes for scales.

Step 1: Outline basic body

Sketch a large oval in the center of your paper. Make it slightly elongated — think of a football or an almond. Crafty Morning (craft blog) uses this football-like shape as its starting point. The oval should take up about half the width of your page. If you’re drawing a fish that’s swimming left or right, angle the oval slightly so the nose points in the direction of movement.

Step 2: Add fins and tail

Attach a triangle to the back of the oval for the tail. The triangle should be about one-third the length of the body. wikiHow (step-by-step tutorial) uses an oval and rectangle guideline system — the triangle tail replaces the rectangle after you refine the shape. Add a small triangle on top (dorsal fin) and a smaller triangle on the bottom near the tail (anal fin). Pectoral fins go on the sides, about one-third of the way back from the head.

Step 3: Detail with eyes and scales

Draw a small circle for the eye near the front of the body. Jae Johns (art instruction) suggests a friendly face style. Add a curved line for the mouth. For scales, draw a row of backward “C” shapes along the middle of the body, then repeat in staggered rows. wikiHow (step-by-step tutorial) includes erasing guidelines and drawing scales with backward Cs in its final steps.

What should a 12 year old draw when bored?

Fish as a quick and fun subject

When boredom strikes, a fish drawing offers an immediate creative outlet that doesn’t require advanced skills. The subject is simple enough to complete in 5 minutes but flexible enough to explore creative variations. Color Made Happy (art tutorial) notes that a common beginner method starts with a simple oval body shape before adding other features — a process that works for any age.

Fish drawings are simple and rewarding, giving a quick sense of accomplishment that can spark further creativity. Encourage creative freedom — let the 12-year-old change the colors, add patterns, or make the fish into a character with a name and personality. Step-by-step guides from Arty Crafty Kids (children’s art) and Easy Peasy and Fun (kids craft guide) provide confidence for kids who prefer structure.

Combine fish with underwater scenes

Once the fish is done, expand the drawing into a full underwater scene. Add bubbles, seaweed, coral, or even other sea creatures. This turns a single fish drawing into a larger creative project that can occupy 20-30 minutes. Crafty Morning (craft blog) includes bubbles in its final step as a simple way to add context.

The pattern: the best drawings for bored tweens are those that offer a quick win (a finished fish in 5 minutes) with an easy expansion path (the underwater scene). The fish acts as the anchor, and the scene becomes the playground for imagination.

Frequently asked questions

For more how-to formats, see How to Pack a Suitcase Efficiently or How to Fix Slow Cooker Recipes: A Step-by-Step Guide.

For a 12-year-old bored at home or an adult picking up a pencil for the first time, fish drawing offers an accessible entry point into visual art. The skills transfer directly to drawing other animals — the same principles of basic shapes, symmetry, and layered detail apply to birds, mammals, and reptiles. For the teacher or parent, the choice of approach matters: use the 3-step method for quick wins with young children, the anatomy-focused method for older kids who want better results, and the species-exploration method for anyone ready to push beyond the basic fish. Drawing a fish isn’t just about the fish — when you learn to see structure in it, you build the visual grammar for birds, mammals, and reptiles and transfer that skill to every subject you pick up next.