Template:POTD/2007-01-04

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Picture of the day
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An Atlantic salmon (Salmo salar) egg hatching. The Alevin (larva) has grown around the remains of the yolk sac - visible are the arteries spinning around the yolk and little oildrops, also the gut, the spine, the main caudal blood vessel, the bladder and the arcs of the gills. In about 24 hours it will be a fry without yolk sac.

Photo credit: Uwe Kils
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