The Seafoam Biome, also known as the Mint Jelly, is a passive, ambient organism resembling a massive, translucent, gelatinous colony. It thrives in deep-sea vents, flooded labs, or tropical tide pools. Characterized by innumerable light green tentacles, it has a soothing texture akin to medical-grade silicone, calibrated to human body temperature. The biome's behavior is symbiotic; it cleans and calibrates the host's body while providing a gentle, supportive encasement. It communicates through soft bubbling and adjusts its warmth to match the host, utilizing effervescent pods that stimulate hyper-sensitive skin with a tickling sensation. Overall, it offers a comforting experience through its slow, fluid movement and non-aggressive nature.