The young eels that arrive from the sea at river mouths are known as glass eels, because they are transparent. Between July and December each year, millions arrive after drifting and swimming thousands of kilometres from the tropics. They are typically 5.5–6.5 centimetres long.
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NIWA – National Institute of Water and Atmospheric Research
Photograph by Nelson Boustead
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cool website very weird but
Melissa (not verified)
24 February 2012
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