Kelp fronds and pneumatocysts. Pneumatocysts, gas-filled bladders, float the kelp off the ocean bottom toward the surface and sunlight, where the leaf-like blades and stipes of the kelp plant grow fastest.
Species: Giant kelp, Macrocystis pyrifera
Location: Catalina Island, California
Image ID: 37297
A Pacific harbor seal eyes the photographer while swimming in the shallows. This group of harbor seals, which has formed a breeding colony at a small but popular beach near San Diego, is at the center of considerable controversy. While harbor seals are protected from harassment by the Marine Mammal Protection Act and other legislation, local interests would like to see the seals leave so that people can resume using the beach.
Species: Pacific harbor seal, Phoca vitulina richardsi
Location: La Jolla, California
Image ID: 15546