marine life marine
Like barnacles, marine mussels attach themselves to rocks, wood, or ship hulls.
However, unlike barnacles, which fasten themselves tightly to a surface, marine
mussels dangle by a network of thin filaments called BYSSUS THREADS. While this
method increases the mussel’s flexibility for feeding and migration, the threads
seem too flimsy to withstand the impact of ocean waves. How does the byssus
allow the mussel to hang on and not be swept out to sea? Byssus threads are
stiff on one end, yet soft and stretchy on the other. Researchers have found
that the precise ratio used by mussel- 80 percent stiff material to 20 percent
soft –is critical for providing the strongest attachment. Hence, the byssus can
handle the force of dramatic pulling and pushing by marine waters. Professor Guy
Genin calls the results of this research stunning, adding that the magic of this
organism lies in the structurally clever integration of this compliant region.
Scientists believe that the design of the byssus threads could have uses as
diverse as attaching equipment to buildings and underwater vessels, connecting
tendons to bones, and sealing surgical incisions. “Nature is a bottomless
treasure trove, as far as adhesion strategies go,” says J. Herbert Waite, a
professor at the University of California in Santa Barbara, U.S.A.
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