Steampunk submarine exploring a vibrant underwater city filled with marine life and coral reefs

A fantastical underwater scene captures a steampunk-style submarine floating in the center of a bustling aquatic environment. The submarine, crafted with metallic, bronze-like surfaces and ornate portholes, is illuminated from within, casting a warm glow against the surrounding deep blue depths. In the background, elaborate, gothic-inspired towers and ruins rise from the seabed, suggesting a long-lost underwater civilization.

The composition is densely packed with a diverse array of marine life. A vibrant, spiky-finned lionfish dominates the lower right foreground, while various smaller, colourful fish, a large manta ray gliding on the left, and distant sharks populate the water. Graceful jellyfish float near the surface, their translucent tentacles trailing downwards. The seafloor is a lush, textured landscape of intricate coral formations, anemones, and rock structures that create a sense of depth and mystery.

The artwork uses a striking contrast between the cool, dark blues of the ocean abyss and the warm, golden light emanating from the vessel and the brightly coloured sea creatures. The style is detailed and digital, blending realistic marine biology with imaginative mechanical designs. Beams of light pierce through the water from above, creating a dreamy, ethereal atmosphere that emphasizes the wonder of this hidden world.