cuttlefish egg, Subnautica, alien underwater world, bioluminescent flora, vibrant coral reef, translucent egg, textured surface, nestled in seabed, surrounded by colorful fish, ambient soft blue light, underwater caustics, detailed environment, close-up shot, 3/4 composition, high-resolution texture, realistic, serene atmosphere, mysterious ocean depths, sci-fi elements, alien aquatic plants, soft shadows, gentle movement of water.