Thermal vents, or black smokers, erupt superheated water up to 400°C from Earth's seafloor, rich in minerals like sulfur and iron. They sustain unique ecosystems with chemosynthetic bacteria, tube worms, and crabs, thriving without sunlight—ideal for hidden underwater lairs teeming with exotic, heat-adapted life.
Superheated water erupts in ebony plumes from jagged seafloor fissures, reaching 400°C and shimmering with dissolved sulfur and iron sulfides. Towering tube worms cluster around the vents, their red plumes swaying in mineral-rich currents, while translucent crabs scuttle over scalding precipitates. Exotic bacteria mats glow faintly, fueling a sunless realm of churning heat and alien vitality.
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