Pyrosome drifting through a kelp forest, Catalina Island. Pyrosomes are free-floating colonial tunicates that usually live in the upper layers of the open ocean in warm seas. Pyrosomes are cylindrical or cone-shaped colonies made up of hundreds to thousands of individuals, known as zooids.
Location: Catalina Island, California
Image ID: 37166
A beautiful golden-brown female California Sea Lion at the Coronado Islands, Baja California, Mexico. The huge male bull that formed the harem of which she was a part allowed her to hang out with me for a while, even while he continued patrolling just over my head.
Species: California Sea Lion, Zalophus californianus
Location: Coronado Islands (Islas Coronado), Baja California, Mexico
Image ID: 37318
Huge California Sea Lion Male Underwater, a bull, patrolling his breeding harem and territory, Coronado Islands, Mexico. His sagittal crest, the bony bump on his head that distinguishes adult male sea lions, is clearly seen. This particular sea lion bears an orange tag on his left foreflipper, probably as a result of rescue and release as a young sea lion years earlier.
Species: California sea lion, Zalophus californianus
Location: Coronado Islands (Islas Coronado), Baja California, Mexico
Image ID: 38652
Coral reef expanse composed primarily of porites lobata, Clipperton Island, near eastern Pacific.
Species: Porites lobata
Location: Clipperton Island, France
Image ID: 32998
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. Catalina Island, California.
Species: Giant kelp, Macrocystis pyrifera
Location: Catalina Island, California
Image ID: 37282