how do eel servive?
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Eels begin life as flat and transparent larvae, called leptocephali. Eel larvae drift in the surface waters of the sea, feeding on marine snow, small particles that float in the water. Eel larvae then metamorphose into glass eels and then become elvers before finally seeking out their juvenile and adult habitats.[2]Many eels remain in the sea throughout their lives, but freshwater elvers of eels in the family anguillidae travel upstream and are forced to climb up obstructions, such as weirs, dam walls, and natural waterfalls.
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