20 Coloring Book Pages of Fish | Free Printables

Explore the vibrant underwater world with this collection of 20 coloring book pages of fish, perfect for marine enthusiasts and coloring fans of all ages. From the sun-drenched coral reefs to the mysterious deep sea, these printable coloring sheets invite you to bring a dazzling array of aquatic life to vivid color, offering both relaxation and a splash of creativity.

Coloring Book Pages of Fish: Our Sub-Theme Collections

This diverse collection of coloring book pages of fish is designed to take you on a journey through different aquatic habitats, each offering unique coloring challenges and opportunities. We’ve grouped these designs into distinct themes to help you navigate the underwater realm and choose your next artistic adventure. From playful reef inhabitants to formidable ocean predators and charming freshwater friends, you’ll find plenty to inspire your palette.

Tropical Reef Wonders

The coral reef is a bustling metropolis of color, teeming with fish that are as vibrant as their surroundings. These designs celebrate the dazzling diversity of tropical species, encouraging you to use your brightest pencils and markers.

Clownfish & Anemones

Clownfish are iconic residents of tropical reefs, famous for their striking orange, white, and black stripes. They have a fascinating symbiotic relationship with sea anemones, which protects them from predators while the clownfish, in turn, helps clean the anemone. These coloring book pages of fish capture this classic duo.

For the clownfish in designs #1 and #19, use a base of bright orange (like cadmium orange), then add crisp white stripes, outlined in a thin black marker or dark grey pencil for definition. The anemone requires more varied colors: try shades of lavender, soft pink, and pale yellow, using a stippling technique with markers to give the tentacles a textured, almost pulsating look. You can learn more about their unique partnership on the National Geographic Kids website.

Angelfish & Other Colorful Reef Dwellers

Angelfish, with their elegant, disc-shaped bodies and flowing fins, are a highlight of any tropical aquarium or reef scene. Whether freshwater or saltwater, their beauty is undeniable. Design #3 features a whimsical angelfish ready to party.

For the angelfish, try a base of sunny yellow, then add contrasting diagonal black stripes. You can introduce splashes of electric blue or vibrant purple on its fins for an extra touch of flair. With colored pencils, use smooth, overlapping strokes to create a seamless gradient on the fins, giving them a delicate, ethereal quality. Designs #2 and #9 showcase other tropical fish, perfect for experimenting with a rainbow of hues, from fuchsia to turquoise, ensuring each fish stands out in its happy school.

Graceful Betta Fish

Known for their stunning, flowing fins and territorial nature, Betta fish are often called “Siamese fighting fish.” Their wild ancestors, native to Southeast Asia, prefer shallow, slow-moving waters. Design #12 shows a tiny, graceful betta in a simple bowl.

Bring this Betta to life with rich jewel tones: deep sapphire blue, ruby red, or emerald green for its body, fading into lighter, iridescent shades on its expansive fins. Markers with fine tips are excellent for capturing the delicate veining and layered appearance of the fins. Use lighter, almost translucent colors for the outer edges of the fins to suggest their delicate, airy quality.

Deep-Sea Enigmas & Ocean Giants

Venture into the mysterious depths and encounter the colossal and the curious. This section of coloring book pages of fish explores the creatures that inhabit the vast open ocean and the extreme environments of the deep.

Majestic Whale Shark

Despite its intimidating name, the whale shark is a gentle giant, the largest fish in the ocean, feeding on plankton and small fish. Design #4 shows a whale shark gracefully navigating a kelp forest.

Color the whale shark with a base of deep grayish-blue, then add its distinctive white or cream-colored spots and stripes. Use crayons to apply solid, even pressure for the body, then lightly stipple with a white crayon for the spots, creating a subtle contrast. The kelp can be colored in varying shades of olive green and seaweed green, with darker tones in the background to emphasize the shark’s presence.

Curious Deep-Sea Anglerfish

Hailing from the abyssal depths, the anglerfish is famous for its bioluminescent lure, a modified dorsal fin spine that dangles in front of its mouth to attract prey. Design #16 captures this fascinating predator.

To color the anglerfish, use dark, muted tones like charcoal gray, dark brown, or even purplish-black for its body, reflecting the perpetual twilight of its habitat. The lure, however, should glow with bright yellow and orange. With markers, apply the dark base colors, then use a bright yellow marker for the lure, blending a touch of orange around its edges to simulate a soft, warm glow against the darkness. This contrast is key to making this fish truly stand out on your coloring book pages of fish. Read more about their amazing adaptations on the Ocean Exploration Trust website.

Graceful Manta Ray

Often called “devil fish” due to their horn-like cephalic fins, manta rays are harmless filter feeders, gliding elegantly through the water. Design #13 features a manta ray with a school of small fish above it.

For the manta ray, use a sophisticated palette of dark slate gray or deep indigo for its dorsal side, transitioning to a clean white or light gray for its underside. Colored pencils are perfect for creating smooth, expansive areas of color on its broad body. For the small fish above it, use contrasting bright colors like electric blue or sunny yellow, making them pop against the manta’s darker tones.

Freshwater Friends & River Runners

Not all fish live in the ocean! This collection also celebrates the diverse species found in rivers and lakes, each with its own unique story and charm.

Powerful Salmon

Salmon are anadromous fish, meaning they hatch in freshwater, migrate to the ocean to grow, and then return to their birthplace to spawn. Their powerful leaps upriver are a testament to their strength and determination, as seen in design #5.

Color the salmon with a metallic silver-gray for its body, adding a subtle pinkish hue, especially towards its belly, to hint at its lifecycle stage. Use a dark green or brown for its back. When coloring the water splash, use crayons to apply varying shades of light blue and white, using short, sharp strokes to convey movement and energy as the salmon leaps.

Grumpy Catfish

Catfish are easily recognizable by their prominent barbels, which resemble a cat’s whiskers and help them navigate and find food in murky waters. Design #20 shows a catfish in a serene lake setting.

For the catfish, opt for earthy tones like muddy brown, olive green, and dark gray for its body, reflecting its freshwater habitat. Use a slightly lighter tan or cream for its belly. With colored pencils, you can add subtle textural lines to suggest its smooth, scale-less skin and use fine strokes for its distinctive barbels. The lake bottom can be a mix of darker browns and greens, creating a calm, natural environment.

Playful & Whimsical Fish

This section of coloring book pages of fish features designs that highlight the lighter, more imaginative side of aquatic life, perfect for adding your own creative flair and storytelling.

Playful Pufferfish

Pufferfish are known for their ability to inflate rapidly by swallowing water or air when threatened, turning themselves into a spiky, unappetizing ball. Design #7 features a gentle pufferfish nudging a seahorse.

Give the pufferfish a playful look with a soft yellow base and gentle green or brown spots. For its spines, use a slightly darker shade of yellow or orange, applying short, sharp strokes with a colored pencil to create a textured, spiky effect. The sleepy seahorse can be a delicate coral pink or seafoam green, creating a lovely contrast.

Storytelling Goldfish

Goldfish, a domesticated carp species, are famous for their vibrant colors and plump forms. They are often associated with good luck and charm. Designs #6 and #14 feature whimsical goldfish in imaginative scenarios.

Color the goldfish with classic bright orange, but feel free to experiment with shades of deep red, sunny yellow, or even iridescent white for a fancy variety. Use markers to achieve bold, consistent colors on their bodies. For the treasure chest in design #6, use metallic gold and silver markers for the coins and jewels, making them sparkle against the seabed. For the glasses on the goldfish in design #14, a simple black or metallic silver will make them stand out.

Creative Activity: Design Your Own Fish Tank Diorama

Once you’ve finished coloring these incredible coloring book pages of fish, don’t just put them away! Create a dynamic fish tank diorama to display your artwork.

1. Select Your Favorite Fish: Choose 5-7 of your most vibrantly colored fish from the collection.
2. Cut Them Out: Carefully cut out each colored fish and any accompanying elements (like the anemone, kelp, or coral).
3. Prepare Your “Tank”: Find a shoebox or a small cardboard box. Lay it on its side so the open top faces you, creating a stage. You can paint the inside back wall light blue for water and the bottom sandy yellow or brown for the seabed.
4. Add Depth: Glue small pebbles or sand to the bottom. You can also draw or color additional seaweed and coral directly onto the box walls.
5. Arrange and Attach: Use small pieces of folded paper or craft wire glued to the back of your cut-out fish to give them a 3D effect. Attach them at varying depths within your shoebox “tank.” Place the deep-sea fish towards the bottom and tropical fish higher up.
6. Display: Your personal underwater world is now ready to admire! This is a fantastic way to extend the fun of these printable coloring pages and create a lasting piece of art.

We hope these coloring book pages of fish bring you hours of creative enjoyment and a deeper appreciation for the wonders of the aquatic world. From the smallest guppy to the largest whale shark, each design offers a unique canvas for your imagination.