fantasy creature swimming underwater

underwater reef coral invertebrate organism fish green animal flower aquarium leaf screenshot plant whimsical scene featuring fantasy creature resembling soft spines big curious eyes swimming imaginative ocean marine spiky aquatic bubbles art digital water sea cute adorable surreal animation design creative artwork nature mystical unique dreamy mythical children storybook friendly wildlife environment ecosystem exploration adventure aquascaping light peaceful tranquil enchanting fairytale depths oceanic unusual invented serene