Black and Pink Sea Slug — Calm

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Black Sea Slug with Green Spots

1280 × 800

Two Bannerfish Swimming — Blue, Serene

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White Nudibranch with Orange Spots

2048 × 1366

Translucent sea slug with golden patterns

900 × 675

Sea fan with snail on coral

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yellow-bellied sea snake

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Lionfish in Water — Blue, Calm, Photograph

1024 × 768

Red coral in blue water

1920 × 1200

Baby seahorse on red coral

1024 × 768

Leafy seadragon in seaweed

1280 × 853

Kelp Forest Underwater — Blue, Serene, Photograph, Coral, Seaweed

1600 × 1200