A vertical neon-blue coral reef scene at night with luminous corals and drifting plankton, framed for a 9:16 portrait crop to evoke quiet wonder and immersive depth for editorial imagery.

Neon Blue Coral Reef Night Shot

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 cathedral-like coral arch frames a glowing aperture of tiny fish silhouettes and bioluminescent polyps in cerulean, lime, and fuchsia, with shallow foreground rock and a deep void, centered in 9:16 with soft reserved edges.

Coral Arch Glowing Reef Portal Scene

A portrait of a character fully submerged with eyes open, sun rays above casting soft patterns across the face while water glows turquoise and lilac in a vertical frame 9:16.

Underwater character with open eyes

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 vertical coral arch frames a glowing central aperture filled with quiet reef life, bioluminescent cerulean and threads of lime and fuchsia illuminate textured polyps while the periphery holds protected negative space for a contemplative, 

Coral Arch Glowing Reef Portal Vertical Study

A metal bottle cap holds a shallow glass aquarium of tiny corals and miniature fish while a tiny girl kneels beside it watching the fish swim, rendered with quiet wonder and warm, intimate light.

Bottle-cap Aquarium and Tiny Girl

A solitary shark glides just below the waterline while sunlight scatters into warm bands and its dark shadow skims the coral reef below, creating a tranquil yet dramatic underwater study of light and form.

Shark beneath shimmering ocean surface

A solitary deep-sea creature floats in a black abyss, its bioluminescent tentacles unfurling in mysterious patterns to suggest life and silent motion beneath the waves.

Deep-sea glowing creature with tentacles

A vertical, immersive scene of a bioluminescent jellyfish drifting in a deep dark sea, rendered with cool glowing tones and a tall 9:16 crop for dramatic mobile presentation.

Jellyfish glowing in dark sea vertical

A cool, airy abstract background showing a smooth vertical gradient from pale aqua and mint at the bottom to soft sky-blue and silvery cyan at the top, with a subtle turquoise pool slightly lower-right for a gentle focal point.

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Underwater Illustration Images — free visuals for your next project