Sea Aquarium Underwater - Willemstad, Curaçao

Beneath blue-green water, fish pass over a rocky bottom scattered with coral fragments and submerged decorations at Curaçao Sea Aquarium. Southern stingrays, tarpon and groupers share the enclosure with smaller Caribbean reef fish, bringing different shapes and swimming styles through the underwater view throughout the day.

On the coast near Willemstad, the aquarium connects its exhibits to the surrounding sea through an open-water system. Fresh seawater flows into the habitats and returns to the ocean, keeping this enclosed marine environment closely linked to the Caribbean waters just beyond its walls.

The camera reveals a quieter side of the aquarium, where fish move between open water and shelter among the rocks. Larger animals cross the scene while smaller fish stay closer to cover, and changing daylight gradually alters the color and visibility of the water around them.

Did You Know? The aquarium’s open-water system continually exchanges seawater with the ocean, allowing its marine habitats to operate without chemical treatment or filters.

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