Giant kelp, Macrocystis pyrifera, #02126

Kelp detail showing pneumatocysts (air bladders) attached to stipe, San Diego. California, USA, Macrocystis pyrifera, natural history stock photograph, photo id 02126
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) attached to stipe, San Diego. California, USA

Species: Giant kelp, Macrocystis pyrifera
Location: California
Image ID: 02126
Format: Film 3:2
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