Ultra-realistic Betta Fish Art Render AI Image Prompt

Subject: Ultimate presentation of a Chinese fighting fish. Physical features: The body is streamlined, scales transition from ice blue to a hint of red, with delicate metallic luster under light, translucent texture; head rounded, eyes large and expressive, mouth slightly open, lively and vivid demeanor. Artistic expression of fins: The dorsal, caudal, and ventral fins are extremely exaggerated and softened, presenting a silk-like flowing feel, like blue satin unfolding in water, rich in layers, dynamic lines, perfectly capturing the beauty of the betta's swimming motion. Color layers: The fins use deep sapphire as the base, with light blue and ice white highlights, against a pure black background, creating strong contrast, making the subject visually striking. Background and composition: Minimalist background: Pure black eliminates environmental distractions, focusing all visual attention on the betta, while creating a deep, tranquil underwater atmosphere, amplifying the elegance and dynamism of the betta. Composition: The betta occupies a diagonal position from top left to bottom right, its swimming posture full of tension, balancing the frame and conveying the vitality of a 'dancer in water,' fitting the 9:16 vertical format visual comfort. Style and texture: Hyperrealistic + artistic rendering: Based on realistic physiological features, the fins are artistically softened and exaggerated, blending the delicate light and shadow of digital painting with the texture of realistic photography, typical of digital art/AI-generated art style. Lighting: Uses side/top lighting logic, precisely outlining the three-dimensionality of the body and the transparency of the scales, perfectly presenting the semi-transparent texture of the fins through light and shadow layers, with full details.