Octopus curling its tentacles among coral, sea anemones, small fish, a shell, and a starfish

Curious Octopus in a Busy Coral Reef

A wide-eyed octopus glides through a crowded reef, curling its spotted tentacles past anemones, tube coral, tiny fish, and a starfish.

Free to print for personal and classroom use. This coloring page is part of the Octopuse collection, made for ages 8–12 and drawn in a Standard style.

Colored example of this coloring page

🎨 How to color it

Color the octopus a soft coral pink, the branching coral peach, the tube coral golden yellow, and the little fish bright blue. Use sharp colored pencils for the maze-like brain coral lines and suction-cup circles, then switch to broader strokes for the octopus’s smooth body. Try a secret pattern by making every other suction cup lavender, as if the octopus has marked a trail through the reef.

Finished color by number solution

🔢 How this color by number works

Find each number in the key and fill its zone: 446 zones and 16 colors, sized for adults. Tiny unnumbered slivers borrow the color of their neighbors, and the little model above shows the finished page whenever you want to check your work. More grids like this live in our color by number gallery.

Prefer classic line art? Open this drawing as a regular coloring page.

The story behind this coloring page

Nori’s Patient Spiral — Under the moonlit water, Nori pressed one arm to the sand and drew a slow spiral. Read the full story →

Under the moonlit water, Nori pressed one arm to the sand and drew a slow spiral. He wanted to invent a game no one could rush: touch a swirl, wait without wiggling, and see what answered. The reef clicked and fizzed around him, smelling of salt and crushed shells. Minnows zipped past. Even the tube coral seemed to stare. For a long while, nothing happened except the soft thump of Nori’s own three hearts.

At last, a cool current slipped between the corals and tugged the spiral’s edge. The sand mark lifted into a tiny whirl. Nori held still. The whirl brushed a brain coral, and its plain bumps curled into winding paths. It brushed an anemone, and its arms bent into ribbons. It brushed Nori’s suckers, leaving little round marks like moon buttons.

“Wait,” Nori whispered, “and the reef writes back.” Ever since, reef corals keep their curly secret shapes, and patient octopuses wear dotted trails to remember the first game; can you spot where Nori waited longest?

Keep coloring — next in the Octopuse collectionAll Octopuse pages →

More in Standard style, from other worldsAll Standard pages →

More for ages 8–12 (big kids)All pages for ages 8–12 →

More color by numberAll color by number →

Explore more collections in the ocean world The whole world →

🌍 Looking for another world?

This page is one drawing among 174 collections: animals, holidays, vehicles, mandalas and more, all in one directory.

Browse all collections →