Bioluminescent koi drift through zero gravity inside a dark, bubble-filled void, their luminous scales tracing slow arcs and emitting soft color against a deep space backdrop.

Koi fish floating in zero gravity

A ring of enamel-scaled koi arcs through an inky pool to form a luminous vortex of tranquil motion, with pearlescent scales, sheer ribbon fins, concentric wakes, and focused biolum bands in the center.

koi ring choreographed vortex

A child stands over a shallow puddle on a real path, reaching down to fish for tiny glowing doodle fish that flash like floating lights and ripple the surface.

Child Fishing Glowing Doodle Fish By Path

A luminous coral reef at night with neon coral formations and colorful fish weaving through soft shafts of light, composed for a 16:9 frame that emphasizes depth and immersive mood.

Coral Reef at Night Glowing Scene

A squeezed paint tube spills a clear stream that becomes a miniature waterfall with tiny fish, while a small child gently places a leaf boat atop the cascading water.

Squeezed Paint Tube Waterfall Scene

Multiple bioluminescent jellyfish drift through a dark misty ocean in a tall vertical frame, their soft glows creating an immersive, serene, dreamlike concept art scene for illustration and study.

Jellyfish garden drifting through mist

A solitary figure stands centered in a tall 9:16 vertical frame as magenta and cyan petals drift around them against a deep purple urban night, creating a calm luminous portrait.

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Koi Illustrations Images — free visuals for your next project