Five Colorful Koi Fish Dark AMOLED 4K Phone Wallpaper

This premium 4K mobile wallpaper features a vertical composition of five vibrant koi fish swimming against a deep, pure black background. The collection includes a spectrum of colors, from a deep red and black speckled fish to a striking metallic gold, a bright orange and white patterned koi, and a elegant white fish with a distinct crimson crown, all rendered with lifelike scales and fluid motion. Optimized for modern mobile devices, the high-contrast dark aesthetic ensures perfect pixel-level black reproduction on OLED and AMOLED screens, which saves battery life and provides a clean backdrop for app icons, widgets, and lock screen clocks. The minimal visual noise and balanced vertical spacing make this an ideal choice for high-density smartphone displays seeking a sophisticated, high-resolution aesthetic.