Kelp detail showing pneumatocysts (air bladders), Macrocystis pyrifera

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Kelp detail showing pneumatocysts (air bladders). San Clemente Island, California, USA, Macrocystis pyrifera, natural history stock photograph, photo id 02497
Gas bladders -- pneumatocysts -- connect the kelp's stipes ("stems") to its blades ("leaves"). These bladders help elevate the kelp plant from the bottom, towards sunlight and the water's surface.

Kelp detail showing pneumatocysts (air bladders). San Clemente Island, California, USA

Species: Giant kelp, Macrocystis pyrifera
Location: San Clemente Island, California
Image ID: 02497
Format: Film 3:2
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Copyright ©Phillip Colla, all rights reserved worldwide.
This professional quality stock photo can be licensed in high resolution form by contacting the photographer: Phillip Colla, photos@oceanlight.com, (760) 707-7153, more info and photographer bio.