Neptune's necklace / sea grapes / bubbleweed, Maria Island, Tasmania, Australia.

Neptune's necklace (Hormosira banksii also known as sea grapes or bubbleweed) is a species of seaweed (brown algae, Fucales) found in Australia and New Zealand. Its strings of olive-brown hollow beads have a slimy layer to conserve moisture, and they are commonly found in rock pools at mid-tide levels. Each bead is filled with water to prevent desiccation between tides, plus gas to rise to the sea surface for sunlight and movement in currents. Maria Island, Tasmania, Australia.

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Filename: 04AUS-30066_sea-necklace-Maria-Island.jpg
Copyright: © Tom Dempsey / PhotoSeek.com
Image Size: 3800x2850 / 3.1MB; http://www.photoseek.com/; Australia Plantae South Pacific Southern Hemisphere pattern plants
Contained in galleries: AUSTRALIA, TASMANIA: Cradle Mt Wilderness, Painted Cliffs, Freycinet, Karst caves

Neptune's necklace (Hormosira banksii also known as sea grapes or bubbleweed) is a species of seaweed (brown algae, Fucales) found in Australia and New Zealand. Its strings of olive-brown hollow beads have a slimy layer to conserve moisture, and they are commonly found in rock pools at mid-tide levels. Each bead is filled with water to prevent desiccation between tides, plus gas to rise to the sea surface for sunlight and movement in currents. Maria Island, Tasmania, Australia.