Bull kelp is one of several species of kelp that flourish along the Pacific coast. The bulbous structure at the top of the stem is a bladder that keeps the long strands of kelp afloat in rough seas.
Bull kelp is one of several species of kelp that flourish along the Pacific coast. The bulbous structure at the top of the stem is a bladder that keeps the long strands of kelp afloat in rough seas.
Bull kelp is one of several species of kelp that flourish along the Pacific coast. The bulbous structure at the top of the stem is a bladder that keeps the long strands of kelp afloat in rough seas.