bright fish swimming in harmony in a tunnel of bright corals with a smooth bokeh backdrop

betta aquarium blue fish colorful underwater swimming red aquatic bright black water vibrant fins shimmering beautiful background flowing fluid silhouette sparkling contrast iridescent beauty stunning serene fantasy harmony mesmerizing tropical ornamental dreamy captivating dazzling translucent movement fabulous tranquil motion peaceful majestic animal alluring enchanting gliding tail exotic gorgeous romantic ai generated art performance