cuttlefish, Subnautica, small creature, tentacles, friendly expression, swimming, underwater, bioluminescent plants, alien coral, sea base in background, soft ambient lighting, bubbles, 3/4 view, detailed texture, realistic, vibrant colors, clear water, marine life, exploration, peaceful scene, close-up, high-resolution, dynamic angle, interactive posture, playful, detailed eyes, smooth skin, Subnautica ecosystem, fantasy, serene environment, submerged rocks, gentle motion.