Bladderwrack

The bladderwrack or vesiculate kelp ( Wrack vesiculosus ) is one of Varech. It meets in the the North Sea, in the Western Baltique, the ocean Atlantique and Pacifique.

It presents gas blisters which enables him to maintain a certain flotability while remaining hung with the substrate by cramps. Thus the bladderwrack little to collect more light.

External bonds

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