eels journey to the sargasso sea to spawn amidst swirling waters of life

determinedly reproduction biodiversity conservation environment fulfilling underwater freshwater mysterious ecosystems migration ecosystem predators saltwater sargasso swirling currents spawning mystical wildlife mystique swimming survival behavior mollusks instinct atlantic journey bubbles ancient aquatic habitat oceanic species natural waters ritual nature marine secret plants corals adults spawn world ocean young water tides eels life swim prey deep fish loss sea