Gothic aquarium, dimly lit, mysterious atmosphere, ornate Victorian-era decorations, intricate stone carvings, stained glass windows, eerie green lighting, old-fashioned diving helmets, rusty anchors, fishing nets, schools of exotic fish, seaweed-covered ruins, sunken ship wheels, creepy abandoned treasure chests, foggy mist surrounding the tank, spooky underwater plants, 3/4 composition, cinematic depth of field, warm and soft ambient lighting.